30940750 has 32 divisors (see below), whose sum is σ = 60450624. Its totient is φ = 11836000.

The previous prime is 30940739. The next prime is 30940753. The reversal of 30940750 is 5704903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30940753) 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 15 ways as a sum of consecutive naturals, for example, 3060 + ... + 8440.

It is an arithmetic number, because the mean of its divisors is an integer number (1889082).

Almost surely, 2^30940750 is an apocalyptic number.

30940750 is a deficient number, since it is larger than the sum of its proper divisors (29509874).

30940750 is a wasteful number, since it uses less digits than its factorization.

30940750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421 (or 5411 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 30940750 is about 5562.4410109232. The cubic root of 30940750 is about 313.9378012493.

The spelling of 30940750 in words is "thirty million, nine hundred forty thousand, seven hundred fifty".