72157351002 has 32 divisors (see below), whose sum is σ = 157450535424. Its totient is φ = 21863598000.

The previous prime is 72157350997. The next prime is 72157351027. The reversal of 72157351002 is 20015375127.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 651643 + ... + 754289.

It is an arithmetic number, because the mean of its divisors is an integer number (4920329232).

Almost surely, 2^72157351002 is an apocalyptic number.

72157351002 is an abundant number, since it is smaller than the sum of its proper divisors (85293184422).

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

72157351002 is a wasteful number, since it uses less digits than its factorization.

72157351002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113314.

The product of its (nonzero) digits is 14700, while the sum is 33.

The spelling of 72157351002 in words is "seventy-two billion, one hundred fifty-seven million, three hundred fifty-one thousand, two".