670590557 has 8 divisors (see below), whose sum is σ = 825342336. Its totient is φ = 530577072.

The previous prime is 670590533. The next prime is 670590581. The reversal of 670590557 is 755095076.

It is an interprime number because it is at equal distance from previous prime (670590533) and next prime (670590581).

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

It is a cyclic number.

It is not a de Polignac number, because 670590557 - 2⁶ = 670590493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670590457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3684473 + ... + 3684654.

It is an arithmetic number, because the mean of its divisors is an integer number (103167792).

Almost surely, 2^670590557 is an apocalyptic number.

It is an amenable number.

670590557 is a deficient number, since it is larger than the sum of its proper divisors (154751779).

670590557 is a wasteful number, since it uses less digits than its factorization.

670590557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7369147.

The product of its (nonzero) digits is 330750, while the sum is 44.

The square root of 670590557 is about 25895.7633021311. The cubic root of 670590557 is about 875.2910300481.

The spelling of 670590557 in words is "six hundred seventy million, five hundred ninety thousand, five hundred fifty-seven".