674934457 has 2 divisors, whose sum is σ = 674934458. Its totient is φ = 674934456.

The previous prime is 674934451. The next prime is 674934499. The reversal of 674934457 is 754439476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618218496 + 56715961 = 24864^2 + 7531^2 .

It is a cyclic number.

It is not a de Polignac number, because 674934457 - 2⁷ = 674934329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 674934457.

It is not a weakly prime, because it can be changed into another prime (674934451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337467228 + 337467229.

It is an arithmetic number, because the mean of its divisors is an integer number (337467229).

Almost surely, 2^674934457 is an apocalyptic number.

It is an amenable number.

674934457 is a deficient number, since it is larger than the sum of its proper divisors (1).

674934457 is an equidigital number, since it uses as much as digits as its factorization.

674934457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 49.

The square root of 674934457 is about 25979.5007072884. The cubic root of 674934457 is about 877.1769281160.

The spelling of 674934457 in words is "six hundred seventy-four million, nine hundred thirty-four thousand, four hundred fifty-seven".