974868457 has 2 divisors, whose sum is σ = 974868458. Its totient is φ = 974868456.

The previous prime is 974868431. The next prime is 974868481. The reversal of 974868457 is 754868479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 594579456 + 380289001 = 24384^2 + 19501^2 .

It is a cyclic number.

It is not a de Polignac number, because 974868457 - 2¹⁵ = 974835689 is a prime.

It is not a weakly prime, because it can be changed into another prime (974868497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487434228 + 487434229.

It is an arithmetic number, because the mean of its divisors is an integer number (487434229).

Almost surely, 2^974868457 is an apocalyptic number.

It is an amenable number.

974868457 is a deficient number, since it is larger than the sum of its proper divisors (1).

974868457 is an equidigital number, since it uses as much as digits as its factorization.

974868457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 58.

The square root of 974868457 is about 31222.8835471678. The cubic root of 974868457 is about 991.5516453025.

The spelling of 974868457 in words is "nine hundred seventy-four million, eight hundred sixty-eight thousand, four hundred fifty-seven".