974137723 has 16 divisors (see below), whose sum is σ = 1127377440. Its totient is φ = 833665536.

The previous prime is 974137669. The next prime is 974137823. The reversal of 974137723 is 327731479.

It is a cyclic number.

It is not a de Polignac number, because 974137723 - 2²⁵ = 940583291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 974137723.

It is not an unprimeable number, because it can be changed into a prime (974137823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18088 + ... + 47701.

It is an arithmetic number, because the mean of its divisors is an integer number (70461090).

Almost surely, 2^974137723 is an apocalyptic number.

974137723 is a deficient number, since it is larger than the sum of its proper divisors (153239717).

974137723 is a wasteful number, since it uses less digits than its factorization.

974137723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65886.

The product of its digits is 222264, while the sum is 43.

The square root of 974137723 is about 31211.1794554451. The cubic root of 974137723 is about 991.3038369591.

The spelling of 974137723 in words is "nine hundred seventy-four million, one hundred thirty-seven thousand, seven hundred twenty-three".