72032400715 has 32 divisors (see below), whose sum is σ = 99301271040. Its totient is φ = 49609324800.

The previous prime is 72032400709. The next prime is 72032400721. The reversal of 72032400715 is 51700423027.

It is an interprime number because it is at equal distance from previous prime (72032400709) and next prime (72032400721).

It is not a de Polignac number, because 72032400715 - 2⁵ = 72032400683 is a prime.

It is a super-2 number, since 2×72032400715² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2753095 + ... + 2779135.

It is an arithmetic number, because the mean of its divisors is an integer number (3103164720).

Almost surely, 2^72032400715 is an apocalyptic number.

72032400715 is a deficient number, since it is larger than the sum of its proper divisors (27268870325).

72032400715 is a wasteful number, since it uses less digits than its factorization.

72032400715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28723.

The product of its (nonzero) digits is 11760, while the sum is 31.

The spelling of 72032400715 in words is "seventy-two billion, thirty-two million, four hundred thousand, seven hundred fifteen".