670974233 has 2 divisors, whose sum is σ = 670974234. Its totient is φ = 670974232.

The previous prime is 670974229. The next prime is 670974257. The reversal of 670974233 is 332479076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 655513609 + 15460624 = 25603^2 + 3932^2 .

It is a cyclic number.

It is not a de Polignac number, because 670974233 - 2² = 670974229 is a prime.

It is not a weakly prime, because it can be changed into another prime (670974833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335487116 + 335487117.

It is an arithmetic number, because the mean of its divisors is an integer number (335487117).

Almost surely, 2^670974233 is an apocalyptic number.

It is an amenable number.

670974233 is a deficient number, since it is larger than the sum of its proper divisors (1).

670974233 is an equidigital number, since it uses as much as digits as its factorization.

670974233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 670974233 is about 25903.1703272013. The cubic root of 670974233 is about 875.4579297708.

The spelling of 670974233 in words is "six hundred seventy million, nine hundred seventy-four thousand, two hundred thirty-three".