974043247 has 4 divisors (see below), whose sum is σ = 980580600. Its totient is φ = 967505896.

The previous prime is 974043223. The next prime is 974043277. The reversal of 974043247 is 742340479.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 974043247 - 2²³ = 965654639 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974043277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3268453 + ... + 3268750.

It is an arithmetic number, because the mean of its divisors is an integer number (245145150).

Almost surely, 2^974043247 is an apocalyptic number.

974043247 is a deficient number, since it is larger than the sum of its proper divisors (6537353).

974043247 is a wasteful number, since it uses less digits than its factorization.

974043247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6537352.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 974043247 is about 31209.6659225952. The cubic root of 974043247 is about 991.2717889755.

It can be divided in two parts, 9740432 and 47, that added together give a palindrome (9740479).

The spelling of 974043247 in words is "nine hundred seventy-four million, forty-three thousand, two hundred forty-seven".