670670397 has 24 divisors (see below), whose sum is σ = 976976000. Its totient is φ = 443333088.

The previous prime is 670670387. The next prime is 670670411. The reversal of 670670397 is 793076076.

It is not a de Polignac number, because 670670397 - 2¹² = 670666301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670670347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785823 + ... + 786675.

Almost surely, 2^670670397 is an apocalyptic number.

It is an amenable number.

670670397 is a deficient number, since it is larger than the sum of its proper divisors (306305603).

670670397 is a wasteful number, since it uses less digits than its factorization.

670670397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 45.

The square root of 670670397 is about 25897.3048211585. The cubic root of 670670397 is about 875.3257658303.

The spelling of 670670397 in words is "six hundred seventy million, six hundred seventy thousand, three hundred ninety-seven".