72306325 has 48 divisors (see below), whose sum is σ = 113464960. Its totient is φ = 44478720.

The previous prime is 72306317. The next prime is 72306331. The reversal of 72306325 is 52360327.

72306325 is a nontrivial binomial coefficient, being equal to C(12026, 2).

It is not a de Polignac number, because 72306325 - 2³ = 72306317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72306293 and 72306302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83746 + ... + 84604.

Almost surely, 2^72306325 is an apocalyptic number.

72306325 is the 12025-th triangular number and also the 6013-rd hexagonal number.

72306325 is the 4009-th centered nonagonal number.

It is an amenable number.

72306325 is a deficient number, since it is larger than the sum of its proper divisors (41158635).

72306325 is a wasteful number, since it uses less digits than its factorization.

72306325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 72306325 is about 8503.3125898088. The cubic root of 72306325 is about 416.6059129198.

The spelling of 72306325 in words is "seventy-two million, three hundred six thousand, three hundred twenty-five".