30734472 has 16 divisors (see below), whose sum is σ = 76836240. Its totient is φ = 10244816.

The previous prime is 30734437. The next prime is 30734491. The reversal of 30734472 is 27443703.

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, 640278 + ... + 640325.

It is an arithmetic number, because the mean of its divisors is an integer number (4802265).

Almost surely, 2^30734472 is an apocalyptic number.

It is an amenable number.

30734472 is an abundant number, since it is smaller than the sum of its proper divisors (46101768).

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

30734472 is a wasteful number, since it uses less digits than its factorization.

30734472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280612 (or 1280608 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 30734472 is about 5543.8679637957. The cubic root of 30734472 is about 313.2385840974.

The spelling of 30734472 in words is "thirty million, seven hundred thirty-four thousand, four hundred seventy-two".