72454772712044 has 6 divisors (see below), whose sum is σ = 126795852246084. Its totient is φ = 36227386356020.

The previous prime is 72454772712013. The next prime is 72454772712053. The reversal of 72454772712044 is 44021727745427.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9056846589002 + ... + 9056846589009.

It is an arithmetic number, because the mean of its divisors is an integer number (21132642041014).

Almost surely, 2^{72454772712044} is an apocalyptic number.

It is an amenable number.

72454772712044 is a deficient number, since it is larger than the sum of its proper divisors (54341079534040).

72454772712044 is a wasteful number, since it uses less digits than its factorization.

72454772712044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18113693178015 (or 18113693178013 counting only the distinct ones).

The product of its (nonzero) digits is 24586240, while the sum is 56.

The spelling of 72454772712044 in words is "seventy-two trillion, four hundred fifty-four billion, seven hundred seventy-two million, seven hundred twelve thousand, forty-four".