30973264 has 40 divisors (see below), whose sum is σ = 69315008. Its totient is φ = 13132800.

The previous prime is 30973259. The next prime is 30973277. The reversal of 30973264 is 46237903.

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, 9439 + ... + 12289.

Almost surely, 2^30973264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30973264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34657504).

30973264 is an abundant number, since it is smaller than the sum of its proper divisors (38341744).

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

30973264 is a wasteful number, since it uses less digits than its factorization.

30973264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 30973264 is about 5565.3628812504. The cubic root of 30973264 is about 314.0477296371.

The spelling of 30973264 in words is "thirty million, nine hundred seventy-three thousand, two hundred sixty-four".