30975974 has 8 divisors (see below), whose sum is σ = 46803528. Its totient is φ = 15374800.

The previous prime is 30975949. The next prime is 30975977. The reversal of 30975974 is 47957903.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30975977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56252 + ... + 56799.

It is an arithmetic number, because the mean of its divisors is an integer number (5850441).

Almost surely, 2^30975974 is an apocalyptic number.

30975974 is a deficient number, since it is larger than the sum of its proper divisors (15827554).

30975974 is a wasteful number, since it uses less digits than its factorization.

30975974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113190.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 30975974 is about 5565.6063461226. The cubic root of 30975974 is about 314.0568885527.

The spelling of 30975974 in words is "thirty million, nine hundred seventy-five thousand, nine hundred seventy-four".