72908282 has 12 divisors (see below), whose sum is σ = 115422426. Its totient is φ = 34535160.

The previous prime is 72908281. The next prime is 72908299. The reversal of 72908282 is 28280927.

It can be written as a sum of positive squares in only one way, i.e., 72777961 + 130321 = 8531^2 + 361^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (72908281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49769 + ... + 51212.

Almost surely, 2^72908282 is an apocalyptic number.

72908282 is a deficient number, since it is larger than the sum of its proper divisors (42514144).

72908282 is a wasteful number, since it uses less digits than its factorization.

72908282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101021 (or 101002 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 72908282 is about 8538.6346683764. The cubic root of 72908282 is about 417.7588140305.

The spelling of 72908282 in words is "seventy-two million, nine hundred eight thousand, two hundred eighty-two".