30974746 has 16 divisors (see below), whose sum is σ = 50778720. Its totient is φ = 14053680.

The previous prime is 30974729. The next prime is 30974747. The reversal of 30974746 is 64747903.

It is a junction number, because it is equal to n+sod(n) for n = 30974699 and 30974708.

It is not an unprimeable number, because it can be changed into a prime (30974747) 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, 16420 + ... + 18208.

It is an arithmetic number, because the mean of its divisors is an integer number (3173670).

Almost surely, 2^30974746 is an apocalyptic number.

30974746 is a deficient number, since it is larger than the sum of its proper divisors (19803974).

30974746 is a wasteful number, since it uses less digits than its factorization.

30974746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 30974746 is about 5565.4960246145. The cubic root of 30974746 is about 314.0527383796.

The spelling of 30974746 in words is "thirty million, nine hundred seventy-four thousand, seven hundred forty-six".