30338725 has 24 divisors (see below), whose sum is σ = 41336640. Its totient is φ = 21985920.

The previous prime is 30338717. The next prime is 30338743. The reversal of 30338725 is 52783303.

It is not a de Polignac number, because 30338725 - 2³ = 30338717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9537 + ... + 12313.

It is an arithmetic number, because the mean of its divisors is an integer number (1722360).

Almost surely, 2^30338725 is an apocalyptic number.

It is an amenable number.

30338725 is a deficient number, since it is larger than the sum of its proper divisors (10997915).

30338725 is a wasteful number, since it uses less digits than its factorization.

30338725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829 (or 2824 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 30338725 is about 5508.0600033042. The cubic root of 30338725 is about 311.8883181529. Note that the first 3 decimals are identical.

The spelling of 30338725 in words is "thirty million, three hundred thirty-eight thousand, seven hundred twenty-five".