72556469875 has 16 divisors (see below), whose sum is σ = 94487455296. Its totient is φ = 55521470400.

The previous prime is 72556469861. The next prime is 72556469899. The reversal of 72556469875 is 57896465527.

It is not a de Polignac number, because 72556469875 - 2⁷ = 72556469747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12615642 + ... + 12621391.

It is an arithmetic number, because the mean of its divisors is an integer number (5905465956).

Almost surely, 2^72556469875 is an apocalyptic number.

72556469875 is a deficient number, since it is larger than the sum of its proper divisors (21930985421).

72556469875 is a wasteful number, since it uses less digits than its factorization.

72556469875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25237071 (or 25237061 counting only the distinct ones).

The product of its digits is 127008000, while the sum is 64.

The spelling of 72556469875 in words is "seventy-two billion, five hundred fifty-six million, four hundred sixty-nine thousand, eight hundred seventy-five".