72052928972 has 6 divisors (see below), whose sum is σ = 126092625708. Its totient is φ = 36026464484.

The previous prime is 72052928971. The next prime is 72052929043. The reversal of 72052928972 is 27982925027.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72052928971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9006616118 + ... + 9006616125.

It is an arithmetic number, because the mean of its divisors is an integer number (21015437618).

Almost surely, 2^72052928972 is an apocalyptic number.

It is an amenable number.

72052928972 is a deficient number, since it is larger than the sum of its proper divisors (54039696736).

72052928972 is a wasteful number, since it uses less digits than its factorization.

72052928972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18013232247 (or 18013232245 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 72052928972 in words is "seventy-two billion, fifty-two million, nine hundred twenty-eight thousand, nine hundred seventy-two".