72282474 has 24 divisors (see below), whose sum is σ = 170849952. Its totient is φ = 21903720.

The previous prime is 72282451. The next prime is 72282503. The reversal of 72282474 is 47428227.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182334 + ... + 182729.

It is an arithmetic number, because the mean of its divisors is an integer number (7118748).

Almost surely, 2^72282474 is an apocalyptic number.

72282474 is an abundant number, since it is smaller than the sum of its proper divisors (98567478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72282474 is a wasteful number, since it uses less digits than its factorization.

72282474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365082 (or 365079 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 72282474 is about 8501.9100206953. The cubic root of 72282474 is about 416.5601006049.

The spelling of 72282474 in words is "seventy-two million, two hundred eighty-two thousand, four hundred seventy-four".