72658885627 has 4 divisors (see below), whose sum is σ = 72701804560. Its totient is φ = 72615966696.

The previous prime is 72658885619. The next prime is 72658885681.

72658885627 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72658885627 - 2³ = 72658885619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72658885427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21456927 + ... + 21460312.

It is an arithmetic number, because the mean of its divisors is an integer number (18175451140).

Almost surely, 2^72658885627 is an apocalyptic number.

72658885627 is a deficient number, since it is larger than the sum of its proper divisors (42918933).

72658885627 is a wasteful number, since it uses less digits than its factorization.

72658885627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42918932.

The product of its digits is 90316800, while the sum is 64.

The spelling of 72658885627 in words is "seventy-two billion, six hundred fifty-eight million, eight hundred eighty-five thousand, six hundred twenty-seven".