670635597 has 8 divisors (see below), whose sum is σ = 906430144. Its totient is φ = 440965728.

The previous prime is 670635583. The next prime is 670635599. The reversal of 670635597 is 795536076.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 670635597 - 2¹⁸ = 670373453 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 (670635599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530913 + ... + 1531350.

It is an arithmetic number, because the mean of its divisors is an integer number (113303768).

Almost surely, 2^670635597 is an apocalyptic number.

It is an amenable number.

670635597 is a deficient number, since it is larger than the sum of its proper divisors (235794547).

670635597 is a wasteful number, since it uses less digits than its factorization.

670635597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062339.

The product of its (nonzero) digits is 1190700, while the sum is 48.

The square root of 670635597 is about 25896.6329278538. The cubic root of 670635597 is about 875.3106258233.

The spelling of 670635597 in words is "six hundred seventy million, six hundred thirty-five thousand, five hundred ninety-seven".