674379936 has 144 divisors (see below), whose sum is σ = 2044479528. Its totient is φ = 210124800.

The previous prime is 674379917. The next prime is 674379943. The reversal of 674379936 is 639973476.

It can be written as a sum of positive squares in 4 ways, for example, as 226803600 + 447576336 = 15060^2 + 21156^2 .

It is a tau number, because it is divible by the number of its divisors (144).

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, 885796 + ... + 886556.

Almost surely, 2^674379936 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 674379936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1022239764).

674379936 is an abundant number, since it is smaller than the sum of its proper divisors (1370099592).

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

674379936 is a wasteful number, since it uses less digits than its factorization.

674379936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 964 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 54.

The square root of 674379936 is about 25968.8262345451. The cubic root of 674379936 is about 876.9366350059.

The spelling of 674379936 in words is "six hundred seventy-four million, three hundred seventy-nine thousand, nine hundred thirty-six".