72576657775 has 24 divisors (see below), whose sum is σ = 91497009888. Its totient is φ = 57092880000.

The previous prime is 72576657763. The next prime is 72576657851. The reversal of 72576657775 is 57775667527.

It is not a de Polignac number, because 72576657775 - 2¹¹ = 72576655727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9620505 + ... + 9628045.

It is an arithmetic number, because the mean of its divisors is an integer number (3812375412).

Almost surely, 2^72576657775 is an apocalyptic number.

72576657775 is a deficient number, since it is larger than the sum of its proper divisors (18920352113).

72576657775 is a wasteful number, since it uses less digits than its factorization.

72576657775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13923 (or 13918 counting only the distinct ones).

The product of its digits is 151263000, while the sum is 64.

The spelling of 72576657775 in words is "seventy-two billion, five hundred seventy-six million, six hundred fifty-seven thousand, seven hundred seventy-five".