674764801 has 2 divisors, whose sum is σ = 674764802. Its totient is φ = 674764800.

The previous prime is 674764789. The next prime is 674764807. The reversal of 674764801 is 108467476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605209201 + 69555600 = 24601^2 + 8340^2 .

It is a cyclic number.

It is not a de Polignac number, because 674764801 - 2¹⁹ = 674240513 is a prime.

It is not a weakly prime, because it can be changed into another prime (674764807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337382400 + 337382401.

It is an arithmetic number, because the mean of its divisors is an integer number (337382401).

Almost surely, 2^674764801 is an apocalyptic number.

It is an amenable number.

674764801 is a deficient number, since it is larger than the sum of its proper divisors (1).

674764801 is an equidigital number, since it uses as much as digits as its factorization.

674764801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 674764801 is about 25976.2353123004. The cubic root of 674764801 is about 877.1034242874.

The spelling of 674764801 in words is "six hundred seventy-four million, seven hundred sixty-four thousand, eight hundred one".