670333333 has 2 divisors, whose sum is σ = 670333334. Its totient is φ = 670333332.

The previous prime is 670333297. The next prime is 670333337. The reversal of 670333333 is 333333076.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443439364 + 226893969 = 21058^2 + 15063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670333333 is a prime.

670333333 is a modest number, since divided by 33333 gives 6703 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 670333295 and 670333304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670333337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335166666 + 335166667.

It is an arithmetic number, because the mean of its divisors is an integer number (335166667).

Almost surely, 2^670333333 is an apocalyptic number.

It is an amenable number.

670333333 is a deficient number, since it is larger than the sum of its proper divisors (1).

670333333 is an equidigital number, since it uses as much as digits as its factorization.

670333333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 31.

The square root of 670333333 is about 25890.7962990712. The cubic root of 670333333 is about 875.1791015145.

The spelling of 670333333 in words is "six hundred seventy million, three hundred thirty-three thousand, three hundred thirty-three".