72744376758 has 16 divisors (see below), whose sum is σ = 145495151856. Its totient is φ = 24247059200.

The previous prime is 72744376729. The next prime is 72744376829. The reversal of 72744376758 is 85767344727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111891 + ... + 397502.

It is an arithmetic number, because the mean of its divisors is an integer number (9093446991).

Almost surely, 2^72744376758 is an apocalyptic number.

72744376758 is an abundant number, since it is smaller than the sum of its proper divisors (72750775098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72744376758 is a wasteful number, since it uses less digits than its factorization.

72744376758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533199.

The product of its digits is 55319040, while the sum is 60.

The spelling of 72744376758 in words is "seventy-two billion, seven hundred forty-four million, three hundred seventy-six thousand, seven hundred fifty-eight".