72713425 has 12 divisors (see below), whose sum is σ = 91512496. Its totient is φ = 57301200.

The previous prime is 72713423. The next prime is 72713441. The reversal of 72713425 is 52431727.

It is not a de Polignac number, because 72713425 - 2¹ = 72713423 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 not an unprimeable number, because it can be changed into a prime (72713423) 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 11 ways as a sum of consecutive naturals, for example, 20031 + ... + 23380.

Almost surely, 2^72713425 is an apocalyptic number.

It is an amenable number.

72713425 is a deficient number, since it is larger than the sum of its proper divisors (18799071).

72713425 is a wasteful number, since it uses less digits than its factorization.

72713425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43488 (or 43483 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 72713425 is about 8527.2167205953. The cubic root of 72713425 is about 417.3863101341.

The spelling of 72713425 in words is "seventy-two million, seven hundred thirteen thousand, four hundred twenty-five".