674127684 has 108 divisors (see below), whose sum is σ = 1822604784. Its totient is φ = 217755216.

The previous prime is 674127683. The next prime is 674127689. The reversal of 674127684 is 486721476.

It is a tau number, because it is divible by the number of its divisors (108).

It is not an unprimeable number, because it can be changed into a prime (674127683) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5308029 + ... + 5308155.

Almost surely, 2^674127684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674127684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911302392).

674127684 is an abundant number, since it is smaller than the sum of its proper divisors (1148477100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674127684 is a wasteful number, since it uses less digits than its factorization.

674127684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 175 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 674127684 is about 25963.9689569989. The cubic root of 674127684 is about 876.8272819074.

The spelling of 674127684 in words is "six hundred seventy-four million, one hundred twenty-seven thousand, six hundred eighty-four".