674681224 has 64 divisors (see below), whose sum is σ = 1474070400. Its totient is φ = 283544064.

The previous prime is 674681213. The next prime is 674681233. The reversal of 674681224 is 422186476.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652612 + ... + 653644.

It is an arithmetic number, because the mean of its divisors is an integer number (23032350).

Almost surely, 2^674681224 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 674681224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737035200).

674681224 is an abundant number, since it is smaller than the sum of its proper divisors (799389176).

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

674681224 is a wasteful number, since it uses less digits than its factorization.

674681224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262 (or 1258 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 674681224 is about 25974.6265420699. The cubic root of 674681224 is about 877.0672098417.

The spelling of 674681224 in words is "six hundred seventy-four million, six hundred eighty-one thousand, two hundred twenty-four".