72764444408 has 16 divisors (see below), whose sum is σ = 142365217680. Its totient is φ = 34800386368.

The previous prime is 72764444407. The next prime is 72764444413. The reversal of 72764444408 is 80444446727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72764444407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197729285 + ... + 197729652.

It is an arithmetic number, because the mean of its divisors is an integer number (8897826105).

Almost surely, 2^72764444408 is an apocalyptic number.

It is an amenable number.

72764444408 is a deficient number, since it is larger than the sum of its proper divisors (69600773272).

72764444408 is a wasteful number, since it uses less digits than its factorization.

72764444408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395458966 (or 395458962 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 50.

The spelling of 72764444408 in words is "seventy-two billion, seven hundred sixty-four million, four hundred forty-four thousand, four hundred eight".