72358638872 has 64 divisors (see below), whose sum is σ = 148825101600. Its totient is φ = 32777256960.

The previous prime is 72358638851. The next prime is 72358638929. The reversal of 72358638872 is 27883685327.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

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, 3923978 + ... + 3942374.

Almost surely, 2^72358638872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72358638872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74412550800).

72358638872 is an abundant number, since it is smaller than the sum of its proper divisors (76466462728).

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

72358638872 is a wasteful number, since it uses less digits than its factorization.

72358638872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19116 (or 19112 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 59.

The spelling of 72358638872 in words is "seventy-two billion, three hundred fifty-eight million, six hundred thirty-eight thousand, eight hundred seventy-two".