974677457 has 8 divisors (see below), whose sum is σ = 1049910120. Its totient is φ = 899481600.

The previous prime is 974677453. The next prime is 974677477. The reversal of 974677457 is 754776479.

It can be written as a sum of positive squares in 4 ways, for example, as 169026001 + 805651456 = 13001^2 + 28384^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 974677457 - 2² = 974677453 is a prime.

It is a super-2 number, since 2×974677457² = 1899992290367973698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (974677453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73169 + ... + 85457.

It is an arithmetic number, because the mean of its divisors is an integer number (131238765).

Almost surely, 2^974677457 is an apocalyptic number.

It is an amenable number.

974677457 is a deficient number, since it is larger than the sum of its proper divisors (75232663).

974677457 is a wasteful number, since it uses less digits than its factorization.

974677457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18403.

The product of its digits is 10372320, while the sum is 56.

The square root of 974677457 is about 31219.8247432621. The cubic root of 974677457 is about 991.4868848613.

The spelling of 974677457 in words is "nine hundred seventy-four million, six hundred seventy-seven thousand, four hundred fifty-seven".