82506374 has 16 divisors (see below), whose sum is σ = 127346208. Its totient is φ = 40061952.

The previous prime is 82506373. The next prime is 82506383. The reversal of 82506374 is 47360528.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82506373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70982 + ... + 72134.

It is an arithmetic number, because the mean of its divisors is an integer number (7959138).

Almost surely, 2^82506374 is an apocalyptic number.

82506374 is a deficient number, since it is larger than the sum of its proper divisors (44839834).

82506374 is a wasteful number, since it uses less digits than its factorization.

82506374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 82506374 is about 9083.3019326674. The cubic root of 82506374 is about 435.3405955407.

The spelling of 82506374 in words is "eighty-two million, five hundred six thousand, three hundred seventy-four".