72328484 has 12 divisors (see below), whose sum is σ = 126746508. Its totient is φ = 36115200.

The previous prime is 72328463. The next prime is 72328499. The reversal of 72328484 is 48482327.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13468900 + 58859584 = 3670^2 + 7672^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8837 + ... + 14924.

It is an arithmetic number, because the mean of its divisors is an integer number (10562209).

Almost surely, 2^72328484 is an apocalyptic number.

It is an amenable number.

72328484 is a deficient number, since it is larger than the sum of its proper divisors (54418024).

72328484 is a wasteful number, since it uses less digits than its factorization.

72328484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24526 (or 24524 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 72328484 is about 8504.6154527997. The cubic root of 72328484 is about 416.6484662628.

The spelling of 72328484 in words is "seventy-two million, three hundred twenty-eight thousand, four hundred eighty-four".