72536425 has 24 divisors (see below), whose sum is σ = 97313216. Its totient is φ = 53317440.

The previous prime is 72536423. The next prime is 72536447. The reversal of 72536425 is 52463527.

It is not a de Polignac number, because 72536425 - 2¹ = 72536423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72536423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99412 + ... + 100138.

Almost surely, 2^72536425 is an apocalyptic number.

It is an amenable number.

72536425 is a deficient number, since it is larger than the sum of its proper divisors (24776791).

72536425 is a wasteful number, since it uses less digits than its factorization.

72536425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1052 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 72536425 is about 8516.8318640208. The cubic root of 72536425 is about 417.0473658354.

The spelling of 72536425 in words is "seventy-two million, five hundred thirty-six thousand, four hundred twenty-five".