674868401 has 2 divisors, whose sum is σ = 674868402. Its totient is φ = 674868400.

The previous prime is 674868343. The next prime is 674868413. The reversal of 674868401 is 104868476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600495025 + 74373376 = 24505^2 + 8624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674868401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (674868301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337434200 + 337434201.

It is an arithmetic number, because the mean of its divisors is an integer number (337434201).

Almost surely, 2^674868401 is an apocalyptic number.

It is an amenable number.

674868401 is a deficient number, since it is larger than the sum of its proper divisors (1).

674868401 is an equidigital number, since it uses as much as digits as its factorization.

674868401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 674868401 is about 25978.2293661443. The cubic root of 674868401 is about 877.1483106757.

The spelling of 674868401 in words is "six hundred seventy-four million, eight hundred sixty-eight thousand, four hundred one".