72312064423700 has 36 divisors (see below), whose sum is σ = 158440647587040. Its totient is φ = 28644002214240.

The previous prime is 72312064423657. The next prime is 72312064423717. The reversal of 72312064423700 is 732446021327.

It is a super-2 number, since 2×72312064423700² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3510284090 + ... + 3510304689.

It is an arithmetic number, because the mean of its divisors is an integer number (4401129099640).

Almost surely, 2^{72312064423700} is an apocalyptic number.

It is an amenable number.

72312064423700 is an abundant number, since it is smaller than the sum of its proper divisors (86128583163340).

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

72312064423700 is a wasteful number, since it uses less digits than its factorization.

72312064423700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020588896 (or 7020588889 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 72312064423700 in words is "seventy-two trillion, three hundred twelve billion, sixty-four million, four hundred twenty-three thousand, seven hundred".