991574704 has 10 divisors (see below), whose sum is σ = 1921176020. Its totient is φ = 495787344.

The previous prime is 991574611. The next prime is 991574707. The reversal of 991574704 is 407475199.

991574704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×991574704² = 1966440787225375232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (991574707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30986694 + ... + 30986725.

It is an arithmetic number, because the mean of its divisors is an integer number (192117602).

Almost surely, 2^991574704 is an apocalyptic number.

It is an amenable number.

991574704 is a deficient number, since it is larger than the sum of its proper divisors (929601316).

991574704 is a wasteful number, since it uses less digits than its factorization.

991574704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61973427 (or 61973421 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 991574704 is about 31489.2791914963. The cubic root of 991574704 is about 997.1836435828.

The spelling of 991574704 in words is "nine hundred ninety-one million, five hundred seventy-four thousand, seven hundred four".