674147377 has 2 divisors, whose sum is σ = 674147378. Its totient is φ = 674147376.

The previous prime is 674147339. The next prime is 674147389. The reversal of 674147377 is 773741476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666104481 + 8042896 = 25809^2 + 2836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674147377 is a prime.

It is not a weakly prime, because it can be changed into another prime (674147477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337073688 + 337073689.

It is an arithmetic number, because the mean of its divisors is an integer number (337073689).

Almost surely, 2^674147377 is an apocalyptic number.

It is an amenable number.

674147377 is a deficient number, since it is larger than the sum of its proper divisors (1).

674147377 is an equidigital number, since it uses as much as digits as its factorization.

674147377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691488, while the sum is 46.

The square root of 674147377 is about 25964.3481913180. The cubic root of 674147377 is about 876.8358199494.

The spelling of 674147377 in words is "six hundred seventy-four million, one hundred forty-seven thousand, three hundred seventy-seven".