82790604 has 36 divisors (see below), whose sum is σ = 225375696. Its totient is φ = 25473888.

The previous prime is 82790569. The next prime is 82790651. The reversal of 82790604 is 40609728.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×82790604² = 13708568221369632, which contains 22 as substring.

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

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, 87984 + ... + 88919.

It is an arithmetic number, because the mean of its divisors is an integer number (6260436).

Almost surely, 2^82790604 is an apocalyptic number.

It is an amenable number.

82790604 is an abundant number, since it is smaller than the sum of its proper divisors (142585092).

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

82790604 is a wasteful number, since it uses less digits than its factorization.

82790604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176926 (or 176921 counting only the distinct ones).

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

The square root of 82790604 is about 9098.9342233033. The cubic root of 82790604 is about 435.8399308601.

The spelling of 82790604 in words is "eighty-two million, seven hundred ninety thousand, six hundred four".