674721738674 has 8 divisors (see below), whose sum is σ = 1012178744688. Its totient is φ = 337328823780.

The previous prime is 674721738673. The next prime is 674721738689. The reversal of 674721738674 is 476837127476.

674721738674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (674721738673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15996452 + ... + 16038575.

It is an arithmetic number, because the mean of its divisors is an integer number (126522343086).

Almost surely, 2^674721738674 is an apocalyptic number.

674721738674 is a deficient number, since it is larger than the sum of its proper divisors (337457006014).

674721738674 is a wasteful number, since it uses less digits than its factorization.

674721738674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32045560.

The product of its digits is 66382848, while the sum is 62.

The spelling of 674721738674 in words is "six hundred seventy-four billion, seven hundred twenty-one million, seven hundred thirty-eight thousand, six hundred seventy-four".