674173643727 has 8 divisors (see below), whose sum is σ = 898951313664. Its totient is φ = 449422534808.

The previous prime is 674173643701. The next prime is 674173643749. The reversal of 674173643727 is 727346371476.

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

It is a cyclic number.

It is not a de Polignac number, because 674173643727 - 2²⁶ = 674106534863 is a prime.

It is a super-2 number, since 2×674173643727² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674173643777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6580953 + ... + 6682610.

It is an arithmetic number, because the mean of its divisors is an integer number (112368914208).

Almost surely, 2^674173643727 is an apocalyptic number.

674173643727 is a deficient number, since it is larger than the sum of its proper divisors (224777669937).

674173643727 is a wasteful number, since it uses less digits than its factorization.

674173643727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13280509.

The product of its digits is 24893568, while the sum is 57.

The spelling of 674173643727 in words is "six hundred seventy-four billion, one hundred seventy-three million, six hundred forty-three thousand, seven hundred twenty-seven".