72488706415 has 16 divisors (see below), whose sum is σ = 87734707200. Its totient is φ = 57493292832.

The previous prime is 72488706371. The next prime is 72488706431. The reversal of 72488706415 is 51460788427.

It is a cyclic number.

It is not a de Polignac number, because 72488706415 - 2⁷ = 72488706287 is a prime.

It is a super-2 number, since 2×72488706415² (a number of 23 digits) contains 22 as substring.

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, 427174 + ... + 572236.

It is an arithmetic number, because the mean of its divisors is an integer number (5483419200).

Almost surely, 2^72488706415 is an apocalyptic number.

72488706415 is a deficient number, since it is larger than the sum of its proper divisors (15246000785).

72488706415 is a wasteful number, since it uses less digits than its factorization.

72488706415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145926.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 72488706415 in words is "seventy-two billion, four hundred eighty-eight million, seven hundred six thousand, four hundred fifteen".