72344053992 has 64 divisors (see below), whose sum is σ = 206827171200. Its totient is φ = 20656742400.

The previous prime is 72344053981. The next prime is 72344054017. The reversal of 72344053992 is 29935044327.

It is a super-2 number, since 2×72344053992² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134484 + ... + 403452.

It is an arithmetic number, because the mean of its divisors is an integer number (3231674550).

Almost surely, 2^72344053992 is an apocalyptic number.

It is a pronic number, being equal to 268968×268969.

It is an amenable number.

72344053992 is an abundant number, since it is smaller than the sum of its proper divisors (134483117208).

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

72344053992 is a wasteful number, since it uses less digits than its factorization.

72344053992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270586 (or 270582 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 72344053992 in words is "seventy-two billion, three hundred forty-four million, fifty-three thousand, nine hundred ninety-two".