674743641 has 32 divisors (see below), whose sum is σ = 1058749440. Its totient is φ = 376833600.

The previous prime is 674743579. The next prime is 674743649. The reversal of 674743641 is 146347476.

674743641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674743641 - 2⁶ = 674743577 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 674743593 and 674743602.

It is not an unprimeable number, because it can be changed into a prime (674743649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367596 + ... + 369426.

It is an arithmetic number, because the mean of its divisors is an integer number (33085920).

Almost surely, 2^674743641 is an apocalyptic number.

It is an amenable number.

674743641 is a deficient number, since it is larger than the sum of its proper divisors (384005799).

674743641 is a wasteful number, since it uses less digits than its factorization.

674743641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717.

The product of its digits is 338688, while the sum is 42.

The square root of 674743641 is about 25975.8280137516. The cubic root of 674743641 is about 877.0942558075.

The spelling of 674743641 in words is "six hundred seventy-four million, seven hundred forty-three thousand, six hundred forty-one".