31472708 has 12 divisors (see below), whose sum is σ = 55315260. Its totient is φ = 15668352.

The previous prime is 31472699. The next prime is 31472723. The reversal of 31472708 is 80727413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16711744 + 14760964 = 4088^2 + 3842^2 .

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, 15953 + ... + 17816.

It is an arithmetic number, because the mean of its divisors is an integer number (4609605).

Almost surely, 2^31472708 is an apocalyptic number.

It is an amenable number.

31472708 is a deficient number, since it is larger than the sum of its proper divisors (23842552).

31472708 is a wasteful number, since it uses less digits than its factorization.

31472708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34006 (or 34004 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 31472708 is about 5610.0541886866. The cubic root of 31472708 is about 315.7267439590.

The spelling of 31472708 in words is "thirty-one million, four hundred seventy-two thousand, seven hundred eight".