9909674774 has 16 divisors (see below), whose sum is σ = 14948720640. Its totient is φ = 4926790440.

The previous prime is 9909674773. The next prime is 9909674777. The reversal of 9909674774 is 4774769099.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9909674771) 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, 1279277 + ... + 1286999.

It is an arithmetic number, because the mean of its divisors is an integer number (934295040).

Almost surely, 2^9909674774 is an apocalyptic number.

9909674774 is a deficient number, since it is larger than the sum of its proper divisors (5039045866).

9909674774 is a wasteful number, since it uses less digits than its factorization.

9909674774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11275.

The product of its (nonzero) digits is 24004512, while the sum is 62.

The square root of 9909674774 is about 99547.3494072042. The cubic root of 9909674774 is about 2147.9284011231.

The spelling of 9909674774 in words is "nine billion, nine hundred nine million, six hundred seventy-four thousand, seven hundred seventy-four".