30904970 has 8 divisors (see below), whose sum is σ = 55628964. Its totient is φ = 12361984.

The previous prime is 30904969. The next prime is 30904999. The reversal of 30904970 is 7940903.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30791401 + 113569 = 5549^2 + 337^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1545239 + ... + 1545258.

Almost surely, 2^30904970 is an apocalyptic number.

30904970 is a deficient number, since it is larger than the sum of its proper divisors (24723994).

30904970 is a wasteful number, since it uses less digits than its factorization.

30904970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090504.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 30904970 is about 5559.2238666922. The cubic root of 30904970 is about 313.8167416203.

The spelling of 30904970 in words is "thirty million, nine hundred four thousand, nine hundred seventy".