30874975 has 12 divisors (see below), whose sum is σ = 40537584. Its totient is φ = 23246720.

The previous prime is 30874973. The next prime is 30874979. The reversal of 30874975 is 57947803.

It is a happy number.

It is not a de Polignac number, because 30874975 - 2¹ = 30874973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30874973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35899 + ... + 36748.

It is an arithmetic number, because the mean of its divisors is an integer number (3378132).

Almost surely, 2^30874975 is an apocalyptic number.

30874975 is a deficient number, since it is larger than the sum of its proper divisors (9662609).

30874975 is a wasteful number, since it uses less digits than its factorization.

30874975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72674 (or 72669 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 30874975 is about 5556.5254431164. The cubic root of 30874975 is about 313.7151831970.

The spelling of 30874975 in words is "thirty million, eight hundred seventy-four thousand, nine hundred seventy-five".