72859904928650 has 48 divisors (see below), whose sum is σ = 163030885028160. Its totient is φ = 23665773628800.

The previous prime is 72859904928571. The next prime is 72859904928659. The reversal of 72859904928650 is 5682940995827.

It is not an unprimeable number, because it can be changed into a prime (72859904928659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5478181691 + ... + 5478194990.

It is an arithmetic number, because the mean of its divisors is an integer number (3396476771420).

Almost surely, 2^{72859904928650} is an apocalyptic number.

72859904928650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72859904928650 is an abundant number, since it is smaller than the sum of its proper divisors (90170980099510).

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

72859904928650 is a wasteful number, since it uses less digits than its factorization.

72859904928650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10956376719 (or 10956376714 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 74.

The spelling of 72859904928650 in words is "seventy-two trillion, eight hundred fifty-nine billion, nine hundred four million, nine hundred twenty-eight thousand, six hundred fifty".