674648671 has 2 divisors, whose sum is σ = 674648672. Its totient is φ = 674648670.

The previous prime is 674648659. The next prime is 674648683. The reversal of 674648671 is 176846476.

674648671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (674648659) and next prime (674648683).

It is a cyclic number.

It is not a de Polignac number, because 674648671 - 2²⁵ = 641094239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674648171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337324335 + 337324336.

It is an arithmetic number, because the mean of its divisors is an integer number (337324336).

Almost surely, 2^674648671 is an apocalyptic number.

674648671 is a deficient number, since it is larger than the sum of its proper divisors (1).

674648671 is an equidigital number, since it uses as much as digits as its factorization.

674648671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 49.

The square root of 674648671 is about 25973.9999037499. Note that the first 4 decimals coincide. The cubic root of 674648671 is about 877.0531036105.

The spelling of 674648671 in words is "six hundred seventy-four million, six hundred forty-eight thousand, six hundred seventy-one".