674312128 has 84 divisors (see below), whose sum is σ = 1638620040. Its totient is φ = 273756672.

The previous prime is 674312113. The next prime is 674312159. The reversal of 674312128 is 821213476.

It is a junction number, because it is equal to n+sod(n) for n = 674312093 and 674312102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53926 + ... + 65242.

Almost surely, 2^674312128 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 674312128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819310020).

674312128 is an abundant number, since it is smaller than the sum of its proper divisors (964307912).

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

674312128 is a wasteful number, since it uses less digits than its factorization.

674312128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362 (or 11345 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 674312128 is about 25967.5206363642. The cubic root of 674312128 is about 876.9072424191.

The spelling of 674312128 in words is "six hundred seventy-four million, three hundred twelve thousand, one hundred twenty-eight".