670235499 has 16 divisors (see below), whose sum is σ = 993341440. Its totient is φ = 446643720.

The previous prime is 670235491. The next prime is 670235519. The reversal of 670235499 is 994532076.

It is a happy number.

It is not a de Polignac number, because 670235499 - 2³ = 670235491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670235491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121254 + ... + 126660.

It is an arithmetic number, because the mean of its divisors is an integer number (62083840).

Almost surely, 2^670235499 is an apocalyptic number.

670235499 is a deficient number, since it is larger than the sum of its proper divisors (323105941).

670235499 is a wasteful number, since it uses less digits than its factorization.

670235499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10007 (or 10001 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 670235499 is about 25888.9068714768. The cubic root of 670235499 is about 875.1365224802.

The spelling of 670235499 in words is "six hundred seventy million, two hundred thirty-five thousand, four hundred ninety-nine".