72395982 has 24 divisors (see below), whose sum is σ = 158623920. Its totient is φ = 23860320.

The previous prime is 72395963. The next prime is 72395993. The reversal of 72395982 is 28959327.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 20994 + ... + 24197.

It is an arithmetic number, because the mean of its divisors is an integer number (6609330).

Almost surely, 2^72395982 is an apocalyptic number.

72395982 is an abundant number, since it is smaller than the sum of its proper divisors (86227938).

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

72395982 is a wasteful number, since it uses less digits than its factorization.

72395982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45288 (or 45285 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 72395982 is about 8508.5828432237. The cubic root of 72395982 is about 416.7780334490.

The spelling of 72395982 in words is "seventy-two million, three hundred ninety-five thousand, nine hundred eighty-two".