973647812 has 6 divisors (see below), whose sum is σ = 1703883678. Its totient is φ = 486823904.

The previous prime is 973647809. The next prime is 973647853. The reversal of 973647812 is 218746379.

It can be written as a sum of positive squares in only one way, i.e., 833130496 + 140517316 = 28864^2 + 11854^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121705973 + ... + 121705980.

It is an arithmetic number, because the mean of its divisors is an integer number (283980613).

Almost surely, 2^973647812 is an apocalyptic number.

It is an amenable number.

973647812 is a deficient number, since it is larger than the sum of its proper divisors (730235866).

973647812 is a wasteful number, since it uses less digits than its factorization.

973647812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243411957 (or 243411955 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 973647812 is about 31203.3301427908. The cubic root of 973647812 is about 991.1376277125.

The spelling of 973647812 in words is "nine hundred seventy-three million, six hundred forty-seven thousand, eight hundred twelve".