72392951268 has 36 divisors (see below), whose sum is σ = 199629048528. Its totient is φ = 21937257840.

The previous prime is 72392951243. The next prime is 72392951269. The reversal of 72392951268 is 86215929327.

72392951268 is a `hidden beast` number, since 72 + 39 + 29 + 512 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (72392951269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91404846 + ... + 91405637.

It is an arithmetic number, because the mean of its divisors is an integer number (5545251348).

Almost surely, 2^72392951268 is an apocalyptic number.

It is an amenable number.

72392951268 is an abundant number, since it is smaller than the sum of its proper divisors (127236097260).

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

72392951268 is a wasteful number, since it uses less digits than its factorization.

72392951268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182810504 (or 182810499 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 72392951268 in words is "seventy-two billion, three hundred ninety-two million, nine hundred fifty-one thousand, two hundred sixty-eight".