82907190 has 24 divisors (see below), whose sum is σ = 215558928. Its totient is φ = 22108560.

The previous prime is 82907189. The next prime is 82907219. The reversal of 82907190 is 9170928.

It is a happy number.

It is a super-2 number, since 2×82907190² = 13747204307392200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460506 + ... + 460685.

It is an arithmetic number, because the mean of its divisors is an integer number (8981622).

Almost surely, 2^82907190 is an apocalyptic number.

82907190 is an abundant number, since it is smaller than the sum of its proper divisors (132651738).

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

82907190 is a wasteful number, since it uses less digits than its factorization.

82907190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921204 (or 921201 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 82907190 is about 9105.3385439532. The cubic root of 82907190 is about 436.0444186432.

The spelling of 82907190 in words is "eighty-two million, nine hundred seven thousand, one hundred ninety".