670044373 has 2 divisors, whose sum is σ = 670044374. Its totient is φ = 670044372.

The previous prime is 670044337. The next prime is 670044377. The reversal of 670044373 is 373440076.

Together with previous prime (670044337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666517489 + 3526884 = 25817^2 + 1878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670044373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670044377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335022186 + 335022187.

It is an arithmetic number, because the mean of its divisors is an integer number (335022187).

Almost surely, 2^670044373 is an apocalyptic number.

It is an amenable number.

670044373 is a deficient number, since it is larger than the sum of its proper divisors (1).

670044373 is an equidigital number, since it uses as much as digits as its factorization.

670044373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 670044373 is about 25885.2153361721. The cubic root of 670044373 is about 875.0533292122.

The spelling of 670044373 in words is "six hundred seventy million, forty-four thousand, three hundred seventy-three".