670374073 has 4 divisors (see below), whose sum is σ = 709807860. Its totient is φ = 630940288.

The previous prime is 670374059. The next prime is 670374083. The reversal of 670374073 is 370473076.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 496977849 + 173396224 = 22293^2 + 13168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670374073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670374053) 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 3 ways as a sum of consecutive naturals, for example, 19716868 + ... + 19716901.

It is an arithmetic number, because the mean of its divisors is an integer number (177451965).

Almost surely, 2^670374073 is an apocalyptic number.

It is an amenable number.

670374073 is a deficient number, since it is larger than the sum of its proper divisors (39433787).

670374073 is a wasteful number, since it uses less digits than its factorization.

670374073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39433786.

The product of its (nonzero) digits is 74088, while the sum is 37.

The square root of 670374073 is about 25891.5830531855. The cubic root of 670374073 is about 875.1968310393.

The spelling of 670374073 in words is "six hundred seventy million, three hundred seventy-four thousand, seventy-three".