30738925 has 36 divisors (see below), whose sum is σ = 46309536. Its totient is φ = 20143200.

The previous prime is 30738901. The next prime is 30738943. The reversal of 30738925 is 52983703.

It is not a de Polignac number, because 30738925 - 2⁷ = 30738797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27630 + ... + 28720.

It is an arithmetic number, because the mean of its divisors is an integer number (1286376).

Almost surely, 2^30738925 is an apocalyptic number.

30738925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30738925 is a deficient number, since it is larger than the sum of its proper divisors (15570611).

30738925 is a wasteful number, since it uses less digits than its factorization.

30738925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 30738925 is about 5544.2695641536. The cubic root of 30738925 is about 313.2537113466.

The spelling of 30738925 in words is "thirty million, seven hundred thirty-eight thousand, nine hundred twenty-five".