30740975 has 12 divisors (see below), whose sum is σ = 38219280. Its totient is φ = 24528000.

The previous prime is 30740971. The next prime is 30740987. The reversal of 30740975 is 57904703.

It is not a de Polignac number, because 30740975 - 2² = 30740971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30740971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9575 + ... + 12375.

It is an arithmetic number, because the mean of its divisors is an integer number (3184940).

Almost surely, 2^30740975 is an apocalyptic number.

30740975 is a deficient number, since it is larger than the sum of its proper divisors (7478305).

30740975 is a wasteful number, since it uses less digits than its factorization.

30740975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250 (or 3245 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 30740975 is about 5544.4544366421. The cubic root of 30740975 is about 313.2606748935.

The spelling of 30740975 in words is "thirty million, seven hundred forty thousand, nine hundred seventy-five".