30372724 has 12 divisors (see below), whose sum is σ = 53250624. Its totient is φ = 15158264.

The previous prime is 30372689. The next prime is 30372733. The reversal of 30372724 is 42727303.

It is a junction number, because it is equal to n+sod(n) for n = 30372692 and 30372701.

It is a congruent 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, 4492 + ... + 8995.

It is an arithmetic number, because the mean of its divisors is an integer number (4437552).

Almost surely, 2^30372724 is an apocalyptic number.

It is an amenable number.

30372724 is a deficient number, since it is larger than the sum of its proper divisors (22877900).

30372724 is a wasteful number, since it uses less digits than its factorization.

30372724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14054 (or 14052 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 30372724 is about 5511.1454344809. The cubic root of 30372724 is about 312.0047802248.

The spelling of 30372724 in words is "thirty million, three hundred seventy-two thousand, seven hundred twenty-four".