72356324 has 6 divisors (see below), whose sum is σ = 126623574. Its totient is φ = 36178160.

The previous prime is 72356293. The next prime is 72356357. The reversal of 72356324 is 42365327.

It can be written as a sum of positive squares in only one way, i.e., 66748900 + 5607424 = 8170^2 + 2368^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9044537 + ... + 9044544.

It is an arithmetic number, because the mean of its divisors is an integer number (21103929).

Almost surely, 2^72356324 is an apocalyptic number.

It is an amenable number.

72356324 is a deficient number, since it is larger than the sum of its proper divisors (54267250).

72356324 is a wasteful number, since it uses less digits than its factorization.

72356324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18089085 (or 18089083 counting only the distinct ones).

The product of its digits is 30240, while the sum is 32.

The square root of 72356324 is about 8506.2520536368. The cubic root of 72356324 is about 416.7019168755.

The spelling of 72356324 in words is "seventy-two million, three hundred fifty-six thousand, three hundred twenty-four".