72656130507 has 8 divisors (see below), whose sum is σ = 98201893584. Its totient is φ = 47773893888.

The previous prime is 72656130497. The next prime is 72656130517. The reversal of 72656130507 is 70503165627.

It is an interprime number because it is at equal distance from previous prime (72656130497) and next prime (72656130517).

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

It is not a de Polignac number, because 72656130507 - 2²⁴ = 72639353291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72656130517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165881358 + ... + 165881795.

It is an arithmetic number, because the mean of its divisors is an integer number (12275236698).

Almost surely, 2^72656130507 is an apocalyptic number.

72656130507 is a deficient number, since it is larger than the sum of its proper divisors (25545763077).

72656130507 is a wasteful number, since it uses less digits than its factorization.

72656130507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331763229.

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 72656130507 in words is "seventy-two billion, six hundred fifty-six million, one hundred thirty thousand, five hundred seven".