670536918 has 12 divisors (see below), whose sum is σ = 1452830028. Its totient is φ = 223512300.

The previous prime is 670536857. The next prime is 670536929. The reversal of 670536918 is 819635076.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18626008 + ... + 18626043.

It is an arithmetic number, because the mean of its divisors is an integer number (121069169).

Almost surely, 2^670536918 is an apocalyptic number.

670536918 is an abundant number, since it is smaller than the sum of its proper divisors (782293110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670536918 is a wasteful number, since it uses less digits than its factorization.

670536918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37252059 (or 37252056 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 670536918 is about 25894.7276100754. The cubic root of 670536918 is about 875.2676919188.

The spelling of 670536918 in words is "six hundred seventy million, five hundred thirty-six thousand, nine hundred eighteen".