973472857 has 6 divisors (see below), whose sum is σ = 1132407258. Its totient is φ = 834405264.

The previous prime is 973472821. The next prime is 973472897. The reversal of 973472857 is 758274379.

It can be written as a sum of positive squares in only one way, i.e., 682463376 + 291009481 = 26124^2 + 17059^2 .

It is not a de Polignac number, because 973472857 - 2⁷ = 973472729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (973472807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9933348 + ... + 9933445.

It is an arithmetic number, because the mean of its divisors is an integer number (188734543).

Almost surely, 2^973472857 is an apocalyptic number.

It is an amenable number.

973472857 is a deficient number, since it is larger than the sum of its proper divisors (158934401).

973472857 is a wasteful number, since it uses less digits than its factorization.

973472857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19866807 (or 19866800 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 52.

The square root of 973472857 is about 31200.5265500440. The cubic root of 973472857 is about 991.0782582400.

The spelling of 973472857 in words is "nine hundred seventy-three million, four hundred seventy-two thousand, eight hundred fifty-seven".