82604172 has 96 divisors (see below), whose sum is σ = 235379200. Its totient is φ = 22021632.

The previous prime is 82604149. The next prime is 82604219. The reversal of 82604172 is 27140628.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116154 + ... + 116862.

Almost surely, 2^82604172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82604172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117689600).

82604172 is an abundant number, since it is smaller than the sum of its proper divisors (152775028).

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

82604172 is a wasteful number, since it uses less digits than its factorization.

82604172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 82604172 is about 9088.6837330826. The cubic root of 82604172 is about 435.5125363111.

The spelling of 82604172 in words is "eighty-two million, six hundred four thousand, one hundred seventy-two".