674448798 has 16 divisors (see below), whose sum is σ = 1357952400. Its totient is φ = 223307136.

The previous prime is 674448793. The next prime is 674448821. The reversal of 674448798 is 897844476.

It is a happy number.

It is a super-2 number, since 2×674448798² = 909762362247289608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674448791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376315 + ... + 378102.

It is an arithmetic number, because the mean of its divisors is an integer number (84872025).

Almost surely, 2^674448798 is an apocalyptic number.

674448798 is an abundant number, since it is smaller than the sum of its proper divisors (683503602).

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

674448798 is a wasteful number, since it uses less digits than its factorization.

674448798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754571.

The product of its digits is 10838016, while the sum is 57.

The square root of 674448798 is about 25970.1520596241. The cubic root of 674448798 is about 876.9664824515.

The spelling of 674448798 in words is "six hundred seventy-four million, four hundred forty-eight thousand, seven hundred ninety-eight".