674066353 has 2 divisors, whose sum is σ = 674066354. Its totient is φ = 674066352.

The previous prime is 674066347. The next prime is 674066369. The reversal of 674066353 is 353660476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 646786624 + 27279729 = 25432^2 + 5223^2 .

It is a cyclic number.

It is not a de Polignac number, because 674066353 - 2⁵ = 674066321 is a prime.

It is not a weakly prime, because it can be changed into another prime (674066383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337033176 + 337033177.

It is an arithmetic number, because the mean of its divisors is an integer number (337033177).

Almost surely, 2^674066353 is an apocalyptic number.

It is an amenable number.

674066353 is a deficient number, since it is larger than the sum of its proper divisors (1).

674066353 is an equidigital number, since it uses as much as digits as its factorization.

674066353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 40.

The square root of 674066353 is about 25962.7878510764. The cubic root of 674066353 is about 876.8006903450.

The spelling of 674066353 in words is "six hundred seventy-four million, sixty-six thousand, three hundred fifty-three".