974328973 has 8 divisors (see below), whose sum is σ = 1037345400. Its totient is φ = 911946240.

The previous prime is 974328947. The next prime is 974328989. The reversal of 974328973 is 379823479.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 184606569 + 789722404 = 13587^2 + 28102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974328973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 974328973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974328923) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 155248 + ... + 161401.

It is an arithmetic number, because the mean of its divisors is an integer number (129668175).

Almost surely, 2^974328973 is an apocalyptic number.

It is an amenable number.

974328973 is a deficient number, since it is larger than the sum of its proper divisors (63016427).

974328973 is a wasteful number, since it uses less digits than its factorization.

974328973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316847.

The product of its digits is 2286144, while the sum is 52.

The square root of 974328973 is about 31214.2431111184. The cubic root of 974328973 is about 991.3687061073.

The spelling of 974328973 in words is "nine hundred seventy-four million, three hundred twenty-eight thousand, nine hundred seventy-three".