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76355505625 = 547215792
BaseRepresentation
bin100011100011100100…
…1001000110111011001
321022002100100120120211
41013013021020313121
52222334002140000
655024403251121
75342106042400
oct1070711106731
9238070316524
1076355505625
112a422768563
121296b379aa1
13727b076579
1439a4b26637
151ebd56d7ba
hex11c7248dd9

76355505625 has 45 divisors (see below), whose sum is σ = 111061946457. Its totient is φ = 52324902000.

The previous prime is 76355505571. The next prime is 76355505631. The reversal of 76355505625 is 52650555367.

The square root of 76355505625 is 276325.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 5986271641 + 70369233984 = 77371^2 + 265272^2 .

It is not a de Polignac number, because 76355505625 - 27 = 76355505497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 48356086 + ... + 48357664.

Almost surely, 276355505625 is an apocalyptic number.

76355505625 is the 276325-th square number.

76355505625 is the 138163-rd centered octagonal number.

It is an amenable number.

76355505625 is a deficient number, since it is larger than the sum of its proper divisors (34706440832).

76355505625 is an frugal number, since it uses more digits than its factorization.

76355505625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 4725000, while the sum is 49.

Multiplying 76355505625 by its sum of digits (49), we get a square (3741419775625 = 19342752).

76355505625 divided by its sum of digits (49) gives a square (1558275625 = 394752).

The spelling of 76355505625 in words is "seventy-six billion, three hundred fifty-five million, five hundred five thousand, six hundred twenty-five".

Divisors: 1 5 7 25 35 49 125 175 245 625 875 1225 1579 4375 6125 7895 11053 30625 39475 55265 77371 197375 276325 386855 986875 1381625 1934275 2493241 6908125 9671375 12466205 17452687 48356875 62331025 87263435 122168809 311655125 436317175 610844045 1558275625 2181585875 3054220225 10907929375 15271101125 76355505625