674450034432 has 144 divisors (see below), whose sum is σ = 1818851274240. Its totient is φ = 221835534336.

The previous prime is 674450034383. The next prime is 674450034439. The reversal of 674450034432 is 234430054476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674450034439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168484143 + ... + 168488145.

Almost surely, 2^674450034432 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 674450034432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909425637120).

674450034432 is an abundant number, since it is smaller than the sum of its proper divisors (1144401239808).

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

674450034432 is a wasteful number, since it uses less digits than its factorization.

674450034432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878 (or 6864 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 42.

The spelling of 674450034432 in words is "six hundred seventy-four billion, four hundred fifty million, thirty-four thousand, four hundred thirty-two".