674216771 has 2 divisors, whose sum is σ = 674216772. Its totient is φ = 674216770.

The previous prime is 674216761. The next prime is 674216789. The reversal of 674216771 is 177612476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674216771 - 2⁶ = 674216707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (674216761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337108385 + 337108386.

It is an arithmetic number, because the mean of its divisors is an integer number (337108386).

Almost surely, 2^674216771 is an apocalyptic number.

674216771 is a deficient number, since it is larger than the sum of its proper divisors (1).

674216771 is an equidigital number, since it uses as much as digits as its factorization.

674216771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 41.

The square root of 674216771 is about 25965.6844893409. The cubic root of 674216771 is about 876.8659048929.

The spelling of 674216771 in words is "six hundred seventy-four million, two hundred sixteen thousand, seven hundred seventy-one".