30692990 has 16 divisors (see below), whose sum is σ = 58497552. Its totient is φ = 11554944.

The previous prime is 30692917. The next prime is 30692993. The reversal of 30692990 is 9929603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30692993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90104 + ... + 90443.

It is an arithmetic number, because the mean of its divisors is an integer number (3656097).

Almost surely, 2^30692990 is an apocalyptic number.

30692990 is a deficient number, since it is larger than the sum of its proper divisors (27804562).

30692990 is a wasteful number, since it uses less digits than its factorization.

30692990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180571.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 30692990 is about 5540.1254498432. The cubic root of 30692990 is about 313.0975956856.

The spelling of 30692990 in words is "thirty million, six hundred ninety-two thousand, nine hundred ninety".