31740474 has 8 divisors (see below), whose sum is σ = 63480960. Its totient is φ = 10580156.

The previous prime is 31740461. The next prime is 31740491. The reversal of 31740474 is 47404713.

It is a sphenic number, since it is the product of 3 distinct primes.

31740474 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645034 + ... + 2645045.

It is an arithmetic number, because the mean of its divisors is an integer number (7935120).

Almost surely, 2^31740474 is an apocalyptic number.

31740474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31740474 is a wasteful number, since it uses less digits than its factorization.

31740474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290084.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 31740474 is about 5633.8684755681. The cubic root of 31740474 is about 316.6196049484.

The spelling of 31740474 in words is "thirty-one million, seven hundred forty thousand, four hundred seventy-four".