30661704 has 24 divisors (see below), whose sum is σ = 83042310. Its totient is φ = 10220544.

The previous prime is 30661669. The next prime is 30661733. The reversal of 30661704 is 40716603.

It can be written as a sum of positive squares in only one way, i.e., 23912100 + 6749604 = 4890^2 + 2598^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 5 ways as a sum of consecutive naturals, for example, 212857 + ... + 213000.

Almost surely, 2^30661704 is an apocalyptic number.

It is an amenable number.

30661704 is an abundant number, since it is smaller than the sum of its proper divisors (52380606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30661704 is a wasteful number, since it uses less digits than its factorization.

30661704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425869 (or 425862 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30661704 is about 5537.3011476711. The cubic root of 30661704 is about 312.9911772326.

The spelling of 30661704 in words is "thirty million, six hundred sixty-one thousand, seven hundred four".