72416725 has 12 divisors (see below), whose sum is σ = 90671776. Its totient is φ = 57368880.

The previous prime is 72416723. The next prime is 72416737. The reversal of 72416725 is 52761427.

It is not a de Polignac number, because 72416725 - 2¹ = 72416723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72416723) 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, 11487 + ... + 16636.

Almost surely, 2^72416725 is an apocalyptic number.

It is an amenable number.

72416725 is a deficient number, since it is larger than the sum of its proper divisors (18255051).

72416725 is a wasteful number, since it uses less digits than its factorization.

72416725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28236 (or 28231 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 72416725 is about 8509.8017015674. The cubic root of 72416725 is about 416.8178349267.

The spelling of 72416725 in words is "seventy-two million, four hundred sixteen thousand, seven hundred twenty-five".