82739992 has 64 divisors (see below), whose sum is σ = 168099840. Its totient is φ = 38102400.

The previous prime is 82739989. The next prime is 82740001. The reversal of 82739992 is 29993728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651433 + ... + 651559.

It is an arithmetic number, because the mean of its divisors is an integer number (2626560).

Almost surely, 2^82739992 is an apocalyptic number.

It is an amenable number.

82739992 is an abundant number, since it is smaller than the sum of its proper divisors (85359848).

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

82739992 is a wasteful number, since it uses less digits than its factorization.

82739992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 268 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The square root of 82739992 is about 9096.1525932671. The cubic root of 82739992 is about 435.7510994144.

The spelling of 82739992 in words is "eighty-two million, seven hundred thirty-nine thousand, nine hundred ninety-two".