30974290 has 16 divisors (see below), whose sum is σ = 55857600. Its totient is φ = 12366640.

The previous prime is 30974287. The next prime is 30974297. The reversal of 30974290 is 9247903.

It is not an unprimeable number, because it can be changed into a prime (30974297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3405 + ... + 8575.

It is an arithmetic number, because the mean of its divisors is an integer number (3491100).

Almost surely, 2^30974290 is an apocalyptic number.

30974290 is a deficient number, since it is larger than the sum of its proper divisors (24883310).

30974290 is a wasteful number, since it uses less digits than its factorization.

30974290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 30974290 is about 5565.4550577648. The cubic root of 30974290 is about 314.0511972451.

The spelling of 30974290 in words is "thirty million, nine hundred seventy-four thousand, two hundred ninety".