670707377 has 2 divisors, whose sum is σ = 670707378. Its totient is φ = 670707376.

The previous prime is 670707361. The next prime is 670707419. The reversal of 670707377 is 773707076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454499761 + 216207616 = 21319^2 + 14704^2 .

It is a cyclic number.

It is not a de Polignac number, because 670707377 - 2⁴ = 670707361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (670407377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335353688 + 335353689.

It is an arithmetic number, because the mean of its divisors is an integer number (335353689).

Almost surely, 2^670707377 is an apocalyptic number.

It is an amenable number.

670707377 is a deficient number, since it is larger than the sum of its proper divisors (1).

670707377 is an equidigital number, since it uses as much as digits as its factorization.

670707377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302526, while the sum is 44.

The square root of 670707377 is about 25898.0187852276. The cubic root of 670707377 is about 875.3418536891.

It can be divided in two parts, 67070 and 7377, that added together give a palindrome (74447).

The spelling of 670707377 in words is "six hundred seventy million, seven hundred seven thousand, three hundred seventy-seven".