670407337 has 2 divisors, whose sum is σ = 670407338. Its totient is φ = 670407336.

The previous prime is 670407317. The next prime is 670407349. The reversal of 670407337 is 733704076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525830761 + 144576576 = 22931^2 + 12024^2 .

It is a cyclic number.

It is not a de Polignac number, because 670407337 - 2¹⁵ = 670374569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670407296 and 670407305.

It is not a weakly prime, because it can be changed into another prime (670407307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335203668 + 335203669.

It is an arithmetic number, because the mean of its divisors is an integer number (335203669).

Almost surely, 2^670407337 is an apocalyptic number.

It is an amenable number.

670407337 is a deficient number, since it is larger than the sum of its proper divisors (1).

670407337 is an equidigital number, since it uses as much as digits as its factorization.

670407337 is an evil number, because the sum of its binary digits is even.

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

The square root of 670407337 is about 25892.2254161360. The cubic root of 670407337 is about 875.2113065722.

The spelling of 670407337 in words is "six hundred seventy million, four hundred seven thousand, three hundred thirty-seven".