82137375 has 32 divisors (see below), whose sum is σ = 151869120. Its totient is φ = 43804800.

The previous prime is 82137359. The next prime is 82137389. The reversal of 82137375 is 57373128.

It is not a de Polignac number, because 82137375 - 2⁴ = 82137359 is a prime.

It is a congruent number.

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, 8794 + ... + 15543.

It is an arithmetic number, because the mean of its divisors is an integer number (4745910).

Almost surely, 2^82137375 is an apocalyptic number.

82137375 is a deficient number, since it is larger than the sum of its proper divisors (69731745).

82137375 is a wasteful number, since it uses less digits than its factorization.

82137375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24361 (or 24345 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 82137375 is about 9062.9672293350. The cubic root of 82137375 is about 434.6906242545.

The spelling of 82137375 in words is "eighty-two million, one hundred thirty-seven thousand, three hundred seventy-five".