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72575107 = 1130721491
BaseRepresentation
bin1000101001101…
…10100010000011
312001120012022221
410110312202003
5122034400412
611111311511
71540610143
oct424664203
9161505287
1072575107
1137a6a830
122037b597
1312060967
1498d2923
156588b07
hex4536883

72575107 has 8 divisors (see below), whose sum is σ = 79434432. Its totient is φ = 65759400.

The previous prime is 72575071. The next prime is 72575119. The reversal of 72575107 is 70157527.

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

It is not a de Polignac number, because 72575107 - 215 = 72542339 is a prime.

It is a super-2 number, since 2×725751072 = 10534292312122898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72575147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7369 + ... + 14122.

It is an arithmetic number, because the mean of its divisors is an integer number (9929304).

Almost surely, 272575107 is an apocalyptic number.

72575107 is a deficient number, since it is larger than the sum of its proper divisors (6859325).

72575107 is a wasteful number, since it uses less digits than its factorization.

72575107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21809.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 72575107 is about 8519.1024762002. The cubic root of 72575107 is about 417.1214865704.

The spelling of 72575107 in words is "seventy-two million, five hundred seventy-five thousand, one hundred seven".

Divisors: 1 11 307 3377 21491 236401 6597737 72575107