670037399 has 2 divisors, whose sum is σ = 670037400. Its totient is φ = 670037398.

The previous prime is 670037393. The next prime is 670037411. The reversal of 670037399 is 993730076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670037399 - 2¹² = 670033303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670037393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335018699 + 335018700.

It is an arithmetic number, because the mean of its divisors is an integer number (335018700).

Almost surely, 2^670037399 is an apocalyptic number.

670037399 is a deficient number, since it is larger than the sum of its proper divisors (1).

670037399 is an equidigital number, since it uses as much as digits as its factorization.

670037399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 44.

The square root of 670037399 is about 25885.0806257195. The cubic root of 670037399 is about 875.0502932725.

The spelling of 670037399 in words is "six hundred seventy million, thirty-seven thousand, three hundred ninety-nine".