72252102257725 has 12 divisors (see below), whose sum is σ = 96484345784596. Its totient is φ = 53355398590080.

The previous prime is 72252102257701. The next prime is 72252102257737. The reversal of 72252102257725 is 52775220125227.

It can be written as a sum of positive squares in 6 ways, for example, as 10637232221529 + 61614870036196 = 3261477^2 + 7849514^2 .

It is not a de Polignac number, because 72252102257725 - 2¹⁵ = 72252102224957 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111157080072 + ... + 111157080721.

Almost surely, 2^{72252102257725} is an apocalyptic number.

It is an amenable number.

72252102257725 is a deficient number, since it is larger than the sum of its proper divisors (24232243526871).

72252102257725 is a wasteful number, since it uses less digits than its factorization.

72252102257725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222314160816 (or 222314160811 counting only the distinct ones).

The product of its (nonzero) digits is 2744000, while the sum is 49.

The spelling of 72252102257725 in words is "seventy-two trillion, two hundred fifty-two billion, one hundred two million, two hundred fifty-seven thousand, seven hundred twenty-five".