974938751 has 4 divisors (see below), whose sum is σ = 975785472. Its totient is φ = 974092032.

The previous prime is 974938721. The next prime is 974938753. The reversal of 974938751 is 157839479.

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 974938751 - 2¹⁰ = 974937727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 974938693 and 974938702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974938753) 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, 421631 + ... + 423936.

It is an arithmetic number, because the mean of its divisors is an integer number (243946368).

Almost surely, 2^974938751 is an apocalyptic number.

974938751 is a deficient number, since it is larger than the sum of its proper divisors (846721).

974938751 is a wasteful number, since it uses less digits than its factorization.

974938751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846720.

The product of its digits is 1905120, while the sum is 53.

The square root of 974938751 is about 31224.0092076594. The cubic root of 974938751 is about 991.5754770498.

The spelling of 974938751 in words is "nine hundred seventy-four million, nine hundred thirty-eight thousand, seven hundred fifty-one".