82620792 has 24 divisors (see below), whose sum is σ = 223764840. Its totient is φ = 27540240.

The previous prime is 82620787. The next prime is 82620809. The reversal of 82620792 is 29702628.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 573684 + ... + 573827.

It is an arithmetic number, because the mean of its divisors is an integer number (9323535).

Almost surely, 2^82620792 is an apocalyptic number.

It is an amenable number.

82620792 is an abundant number, since it is smaller than the sum of its proper divisors (141144048).

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

82620792 is a wasteful number, since it uses less digits than its factorization.

82620792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147523 (or 1147516 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 82620792 is about 9089.5980109134. The cubic root of 82620792 is about 435.5417427978.

The spelling of 82620792 in words is "eighty-two million, six hundred twenty thousand, seven hundred ninety-two".