72454436376 has 32 divisors (see below), whose sum is σ = 207012675840. Its totient is φ = 20701267488.

The previous prime is 72454436347. The next prime is 72454436387. The reversal of 72454436376 is 67363445427.

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, 215638036 + ... + 215638371.

It is an arithmetic number, because the mean of its divisors is an integer number (6469146120).

Almost surely, 2^72454436376 is an apocalyptic number.

It is an amenable number.

72454436376 is an abundant number, since it is smaller than the sum of its proper divisors (134558239464).

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

72454436376 is a wasteful number, since it uses less digits than its factorization.

72454436376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431276423 (or 431276419 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 51.

The spelling of 72454436376 in words is "seventy-two billion, four hundred fifty-four million, four hundred thirty-six thousand, three hundred seventy-six".