72362725 has 6 divisors (see below), whose sum is σ = 89729810. Its totient is φ = 57890160.

The previous prime is 72362723. The next prime is 72362749. The reversal of 72362725 is 52726327.

It can be written as a sum of positive squares in 3 ways, for example, as 6395841 + 65966884 = 2529^2 + 8122^2 .

It is not a de Polignac number, because 72362725 - 2¹ = 72362723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72362723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1447230 + ... + 1447279.

Almost surely, 2^72362725 is an apocalyptic number.

It is an amenable number.

72362725 is a deficient number, since it is larger than the sum of its proper divisors (17367085).

72362725 is a wasteful number, since it uses less digits than its factorization.

72362725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894519 (or 2894514 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 72362725 is about 8506.6282979803. The cubic root of 72362725 is about 416.7142043540.

The spelling of 72362725 in words is "seventy-two million, three hundred sixty-two thousand, seven hundred twenty-five".