974812668 has 12 divisors (see below), whose sum is σ = 2274562920. Its totient is φ = 324937552.

The previous prime is 974812667. The next prime is 974812733. The reversal of 974812668 is 866218479.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 974812668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974812661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40617183 + ... + 40617206.

It is an arithmetic number, because the mean of its divisors is an integer number (189546910).

Almost surely, 2^974812668 is an apocalyptic number.

It is an amenable number.

974812668 is an abundant number, since it is smaller than the sum of its proper divisors (1299750252).

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

974812668 is a wasteful number, since it uses less digits than its factorization.

974812668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81234396 (or 81234394 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 974812668 is about 31221.9901351595. The cubic root of 974812668 is about 991.5327303642.

The spelling of 974812668 in words is "nine hundred seventy-four million, eight hundred twelve thousand, six hundred sixty-eight".