31674474 has 48 divisors (see below), whose sum is σ = 74360832. Its totient is φ = 9686304.

The previous prime is 31674439. The next prime is 31674491. The reversal of 31674474 is 47447613.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51879 + ... + 52485.

It is an arithmetic number, because the mean of its divisors is an integer number (1549184).

Almost surely, 2^31674474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31674474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37180416).

31674474 is an abundant number, since it is smaller than the sum of its proper divisors (42686358).

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

31674474 is a wasteful number, since it uses less digits than its factorization.

31674474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 848 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 31674474 is about 5628.0079957299. The cubic root of 31674474 is about 316.3999968568.

The spelling of 31674474 in words is "thirty-one million, six hundred seventy-four thousand, four hundred seventy-four".