670454417 has 2 divisors, whose sum is σ = 670454418. Its totient is φ = 670454416.

The previous prime is 670454413. The next prime is 670454429. The reversal of 670454417 is 714454076.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 654899281 + 15555136 = 25591^2 + 3944^2 .

It is a cyclic number.

It is not a de Polignac number, because 670454417 - 2² = 670454413 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (670454413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335227208 + 335227209.

It is an arithmetic number, because the mean of its divisors is an integer number (335227209).

Almost surely, 2^670454417 is an apocalyptic number.

It is an amenable number.

670454417 is a deficient number, since it is larger than the sum of its proper divisors (1).

670454417 is an equidigital number, since it uses as much as digits as its factorization.

670454417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 670454417 is about 25893.1345533908. The cubic root of 670454417 is about 875.2317936112.

The spelling of 670454417 in words is "six hundred seventy million, four hundred fifty-four thousand, four hundred seventeen".