674498720 has 144 divisors (see below), whose sum is σ = 1866745440. Its totient is φ = 229630464.

The previous prime is 674498717. The next prime is 674498743. The reversal of 674498720 is 27894476.

It is a congruent number.

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, 1779491 + ... + 1779869.

It is an arithmetic number, because the mean of its divisors is an integer number (12963510).

Almost surely, 2^674498720 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 674498720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933372720).

674498720 is an abundant number, since it is smaller than the sum of its proper divisors (1192246720).

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

674498720 is a wasteful number, since it uses less digits than its factorization.

674498720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 674498720 is about 25971.1131836893. The cubic root of 674498720 is about 876.9881193006.

The spelling of 674498720 in words is "six hundred seventy-four million, four hundred ninety-eight thousand, seven hundred twenty".