674344000 has 224 divisors, whose sum is σ = 1863912960. Its totient is φ = 239616000.

The previous prime is 674343977. The next prime is 674344007. The reversal of 674344000 is 443476.

It is a self number, because there is not a number n which added to its sum of digits gives 674344000.

It is not an unprimeable number, because it can be changed into a prime (674344007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6951952 + ... + 6952048.

It is an arithmetic number, because the mean of its divisors is an integer number (8321040).

Almost surely, 2^674344000 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 674344000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931956480).

674344000 is an abundant number, since it is smaller than the sum of its proper divisors (1189568960).

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

674344000 is a wasteful number, since it uses less digits than its factorization.

674344000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 674344000 is about 25968.1343188147. The cubic root of 674344000 is about 876.9210581513.

Adding to 674344000 its reverse (443476), we get a palindrome (674787476).

The spelling of 674344000 in words is "six hundred seventy-four million, three hundred forty-four thousand".