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75480070 = 257548007
BaseRepresentation
bin1000111111110…
…11110000000110
312021000210012011
410133323300012
5123310330240
611253444434
71604366341
oct437736006
9167023164
1075480070
1139674326
122134071a
1312839c83
14a04b458
15695e6ea
hex47fbc06

75480070 has 8 divisors (see below), whose sum is σ = 135864144. Its totient is φ = 30192024.

The previous prime is 75480059. The next prime is 75480101. The reversal of 75480070 is 7008457.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3773994 + ... + 3774013.

It is an arithmetic number, because the mean of its divisors is an integer number (16983018).

Almost surely, 275480070 is an apocalyptic number.

75480070 is a deficient number, since it is larger than the sum of its proper divisors (60384074).

75480070 is a wasteful number, since it uses less digits than its factorization.

75480070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7548014.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 75480070 is about 8687.9266801694. The cubic root of 75480070 is about 422.6142123215.

The spelling of 75480070 in words is "seventy-five million, four hundred eighty thousand, seventy".

Divisors: 1 2 5 10 7548007 15096014 37740035 75480070