974117943 has 6 divisors (see below), whose sum is σ = 1407059264. Its totient is φ = 649411956.

The previous prime is 974117939. The next prime is 974117951. The reversal of 974117943 is 349711479.

It is not a de Polignac number, because 974117943 - 2² = 974117939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974117923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54117655 + ... + 54117672.

Almost surely, 2^974117943 is an apocalyptic number.

974117943 is a deficient number, since it is larger than the sum of its proper divisors (432941321).

974117943 is a wasteful number, since it uses less digits than its factorization.

974117943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108235333 (or 108235330 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 974117943 is about 31210.8625801979. The cubic root of 974117943 is about 991.2971273936.

The spelling of 974117943 in words is "nine hundred seventy-four million, one hundred seventeen thousand, nine hundred forty-three".