974742911 has 4 divisors (see below), whose sum is σ = 1001087352. Its totient is φ = 948398472.

The previous prime is 974742887. The next prime is 974742913. The reversal of 974742911 is 119247479.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974742911 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 (974742913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13172165 + ... + 13172238.

It is an arithmetic number, because the mean of its divisors is an integer number (250271838).

Almost surely, 2^974742911 is an apocalyptic number.

974742911 is a deficient number, since it is larger than the sum of its proper divisors (26344441).

974742911 is a wasteful number, since it uses less digits than its factorization.

974742911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26344440.

The product of its digits is 127008, while the sum is 44.

The square root of 974742911 is about 31220.8730018877. The cubic root of 974742911 is about 991.5090786409.

The spelling of 974742911 in words is "nine hundred seventy-four million, seven hundred forty-two thousand, nine hundred eleven".