82440474 has 16 divisors (see below), whose sum is σ = 165009312. Its totient is φ = 27458768.

The previous prime is 82440473. The next prime is 82440499. The reversal of 82440474 is 47404428.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82440473) 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, 4357 + ... + 13559.

It is an arithmetic number, because the mean of its divisors is an integer number (10313082).

Almost surely, 2^82440474 is an apocalyptic number.

82440474 is an abundant number, since it is smaller than the sum of its proper divisors (82568838).

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

82440474 is a wasteful number, since it uses less digits than its factorization.

82440474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10701.

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 82440474 is about 9079.6736725501. The cubic root of 82440474 is about 435.2246586926.

The spelling of 82440474 in words is "eighty-two million, four hundred forty thousand, four hundred seventy-four".