82438074 has 40 divisors (see below), whose sum is σ = 194451840. Its totient is φ = 26032104.

The previous prime is 82438067. The next prime is 82438087. The reversal of 82438074 is 47083428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10314 + ... + 16469.

It is an arithmetic number, because the mean of its divisors is an integer number (4861296).

Almost surely, 2^82438074 is an apocalyptic number.

82438074 is an abundant number, since it is smaller than the sum of its proper divisors (112013766).

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

82438074 is a wasteful number, since it uses less digits than its factorization.

82438074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26816 (or 26807 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 82438074 is about 9079.5415082481. The cubic root of 82438074 is about 435.2204352440.

The spelling of 82438074 in words is "eighty-two million, four hundred thirty-eight thousand, seventy-four".