674000703721 has 2 divisors, whose sum is σ = 674000703722. Its totient is φ = 674000703720.

The previous prime is 674000703713. The next prime is 674000703743. The reversal of 674000703721 is 127307000476.

674000703721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657297726121 + 16702977600 = 810739^2 + 129240^2 .

It is a cyclic number.

It is not a de Polignac number, because 674000703721 - 2³ = 674000703713 is a prime.

It is not a weakly prime, because it can be changed into another prime (674000703751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337000351860 + 337000351861.

It is an arithmetic number, because the mean of its divisors is an integer number (337000351861).

Almost surely, 2^674000703721 is an apocalyptic number.

It is an amenable number.

674000703721 is a deficient number, since it is larger than the sum of its proper divisors (1).

674000703721 is an equidigital number, since it uses as much as digits as its factorization.

674000703721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 674000703721 in words is "six hundred seventy-four billion, seven hundred three thousand, seven hundred twenty-one".