72570656034 has 24 divisors (see below), whose sum is σ = 161486055900. Its totient is φ = 23536428768.

The previous prime is 72570655957. The next prime is 72570656051. The reversal of 72570656034 is 43065607527.

72570656034 is a `hidden beast` number, since 7 + 2 + 57 + 0 + 6 + 560 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63239675625 + 9330980409 = 251475^2 + 96597^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54481809 + ... + 54483140.

Almost surely, 2^72570656034 is an apocalyptic number.

72570656034 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72570656034 is an abundant number, since it is smaller than the sum of its proper divisors (88915399866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72570656034 is a wasteful number, since it uses less digits than its factorization.

72570656034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108964994 (or 108964991 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 72570656034 in words is "seventy-two billion, five hundred seventy million, six hundred fifty-six thousand, thirty-four".