30734625 has 32 divisors (see below), whose sum is σ = 52416000. Its totient is φ = 15984000.

The previous prime is 30734617. The next prime is 30734629. The reversal of 30734625 is 52643703.

It is not a de Polignac number, because 30734625 - 2³ = 30734617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30734592 and 30734601.

It is not an unprimeable number, because it can be changed into a prime (30734629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14376 + ... + 16374.

It is an arithmetic number, because the mean of its divisors is an integer number (1638000).

Almost surely, 2^30734625 is an apocalyptic number.

It is an amenable number.

30734625 is a deficient number, since it is larger than the sum of its proper divisors (21681375).

30734625 is a wasteful number, since it uses less digits than its factorization.

30734625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058 (or 2048 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 30734625 is about 5543.8817628084. The cubic root of 30734625 is about 313.2391038767.

The spelling of 30734625 in words is "thirty million, seven hundred thirty-four thousand, six hundred twenty-five".