72352525 has 12 divisors (see below), whose sum is σ = 102534112. Its totient is φ = 49613040.

The previous prime is 72352517. The next prime is 72352529. The reversal of 72352525 is 52525327.

It is not a de Polignac number, because 72352525 - 2³ = 72352517 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72352529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206547 + ... + 206896.

Almost surely, 2^72352525 is an apocalyptic number.

It is an amenable number.

72352525 is a deficient number, since it is larger than the sum of its proper divisors (30181587).

72352525 is a wasteful number, since it uses less digits than its factorization.

72352525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413460 (or 413455 counting only the distinct ones).

The product of its digits is 21000, while the sum is 31.

The square root of 72352525 is about 8506.0287443671. The cubic root of 72352525 is about 416.6946239019.

It can be divided in two parts, 7 and 2352525, that added together give a palindrome (2352532).

The spelling of 72352525 in words is "seventy-two million, three hundred fifty-two thousand, five hundred twenty-five".