674214444 has 72 divisors (see below), whose sum is σ = 1755834080. Its totient is φ = 217976832.

The previous prime is 674214403. The next prime is 674214503. The reversal of 674214444 is 444412476.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 674214399 and 674214408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 584172 + ... + 585324.

Almost surely, 2^674214444 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 674214444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877917040).

674214444 is an abundant number, since it is smaller than the sum of its proper divisors (1081619636).

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

674214444 is a wasteful number, since it uses less digits than its factorization.

674214444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639 (or 1634 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 674214444 is about 25965.6396801619. The cubic root of 674214444 is about 876.8648960832.

The spelling of 674214444 in words is "six hundred seventy-four million, two hundred fourteen thousand, four hundred forty-four".