31842974 has 16 divisors (see below), whose sum is σ = 50388480. Its totient is φ = 15050520.

The previous prime is 31842959. The next prime is 31842997. The reversal of 31842974 is 47924813.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32309 + ... + 33279.

It is an arithmetic number, because the mean of its divisors is an integer number (3149280).

Almost surely, 2^31842974 is an apocalyptic number.

31842974 is a deficient number, since it is larger than the sum of its proper divisors (18545506).

31842974 is a wasteful number, since it uses less digits than its factorization.

31842974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855.

The product of its digits is 48384, while the sum is 38.

The square root of 31842974 is about 5642.9579123010. The cubic root of 31842974 is about 316.9600602489.

The spelling of 31842974 in words is "thirty-one million, eight hundred forty-two thousand, nine hundred seventy-four".