72377982 has 16 divisors (see below), whose sum is σ = 160840080. Its totient is φ = 24125976.

The previous prime is 72377971. The next prime is 72377999. The reversal of 72377982 is 28977327.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670113 + ... + 670220.

It is an arithmetic number, because the mean of its divisors is an integer number (10052505).

Almost surely, 2^72377982 is an apocalyptic number.

72377982 is an abundant number, since it is smaller than the sum of its proper divisors (88462098).

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

72377982 is a wasteful number, since it uses less digits than its factorization.

72377982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340344 (or 1340338 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 72377982 is about 8507.5250220026. The cubic root of 72377982 is about 416.7434890529.

The spelling of 72377982 in words is "seventy-two million, three hundred seventy-seven thousand, nine hundred eighty-two".