30776690 has 16 divisors (see below), whose sum is σ = 63312192. Its totient is φ = 10551984.

The previous prime is 30776689. The next prime is 30776717. The reversal of 30776690 is 9667703.

It is a super-2 number, since 2×30776690² = 1894409294712200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219764 + ... + 219903.

It is an arithmetic number, because the mean of its divisors is an integer number (3957012).

Almost surely, 2^30776690 is an apocalyptic number.

30776690 is an abundant number, since it is smaller than the sum of its proper divisors (32535502).

30776690 is a wasteful number, since it uses less digits than its factorization.

30776690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439681.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 30776690 is about 5547.6742874830. The cubic root of 30776690 is about 313.3819438188.

The spelling of 30776690 in words is "thirty million, seven hundred seventy-six thousand, six hundred ninety".