72314525 has 12 divisors (see below), whose sum is σ = 91363572. Its totient is φ = 56759040.

The previous prime is 72314509. The next prime is 72314527. The reversal of 72314525 is 52541327.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 47524 + 72267001 = 218^2 + 8501^2 .

It is not a de Polignac number, because 72314525 - 2⁴ = 72314509 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 (72314527) 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, 25964 + ... + 28613.

It is an arithmetic number, because the mean of its divisors is an integer number (7613631).

Almost surely, 2^72314525 is an apocalyptic number.

It is an amenable number.

72314525 is a deficient number, since it is larger than the sum of its proper divisors (19049047).

72314525 is a wasteful number, since it uses less digits than its factorization.

72314525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54640 (or 54635 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 72314525 is about 8503.7947411729. The cubic root of 72314525 is about 416.6216609167.

The spelling of 72314525 in words is "seventy-two million, three hundred fourteen thousand, five hundred twenty-five".