670701849 has 12 divisors (see below), whose sum is σ = 919097424. Its totient is φ = 435047184.

The previous prime is 670701751. The next prime is 670701853. The reversal of 670701849 is 948107076.

It is not a de Polignac number, because 670701849 - 2⁸ = 670701593 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 670701849.

It is not an unprimeable number, because it can be changed into a prime (670701049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77547 + ... + 85760.

It is an arithmetic number, because the mean of its divisors is an integer number (76591452).

Almost surely, 2^670701849 is an apocalyptic number.

It is an amenable number.

670701849 is a deficient number, since it is larger than the sum of its proper divisors (248395575).

670701849 is a wasteful number, since it uses less digits than its factorization.

670701849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163384 (or 163347 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 670701849 is about 25897.9120586969. The cubic root of 670701849 is about 875.3394488137.

The spelling of 670701849 in words is "six hundred seventy million, seven hundred one thousand, eight hundred forty-nine".