30749704 has 8 divisors (see below), whose sum is σ = 57655710. Its totient is φ = 15374848.

The previous prime is 30749683. The next prime is 30749729. The reversal of 30749704 is 40794703.

It can be written as a sum of positive squares in only one way, i.e., 28196100 + 2553604 = 5310^2 + 1598^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 30749704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1921849 + ... + 1921864.

Almost surely, 2^30749704 is an apocalyptic number.

It is an amenable number.

30749704 is a deficient number, since it is larger than the sum of its proper divisors (26906006).

30749704 is a wasteful number, since it uses less digits than its factorization.

30749704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843719 (or 3843715 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 30749704 is about 5545.2415637193. The cubic root of 30749704 is about 313.2903225505.

The spelling of 30749704 in words is "thirty million, seven hundred forty-nine thousand, seven hundred four".