674652457 has 2 divisors, whose sum is σ = 674652458. Its totient is φ = 674652456.

The previous prime is 674652449. The next prime is 674652533. The reversal of 674652457 is 754256476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579316761 + 95335696 = 24069^2 + 9764^2 .

It is a cyclic number.

It is not a de Polignac number, because 674652457 - 2³ = 674652449 is a prime.

It is a super-2 number, since 2×674652457² = 910311875472273698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (674652257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337326228 + 337326229.

It is an arithmetic number, because the mean of its divisors is an integer number (337326229).

Almost surely, 2^674652457 is an apocalyptic number.

It is an amenable number.

674652457 is a deficient number, since it is larger than the sum of its proper divisors (1).

674652457 is an equidigital number, since it uses as much as digits as its factorization.

674652457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 46.

The square root of 674652457 is about 25974.0727842208. The cubic root of 674652457 is about 877.0547442258.

The spelling of 674652457 in words is "six hundred seventy-four million, six hundred fifty-two thousand, four hundred fifty-seven".