670462427 has 2 divisors, whose sum is σ = 670462428. Its totient is φ = 670462426.

The previous prime is 670462423. The next prime is 670462447. The reversal of 670462427 is 724264076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670462427 - 2² = 670462423 is a prime.

It is not a weakly prime, because it can be changed into another prime (670462423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335231213 + 335231214.

It is an arithmetic number, because the mean of its divisors is an integer number (335231214).

Almost surely, 2^670462427 is an apocalyptic number.

670462427 is a deficient number, since it is larger than the sum of its proper divisors (1).

670462427 is an equidigital number, since it uses as much as digits as its factorization.

670462427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 670462427 is about 25893.2892271337. The cubic root of 670462427 is about 875.2352790974.

The spelling of 670462427 in words is "six hundred seventy million, four hundred sixty-two thousand, four hundred twenty-seven".