674081420 has 12 divisors (see below), whose sum is σ = 1415571024. Its totient is φ = 269632560.

The previous prime is 674081417. The next prime is 674081477. The reversal of 674081420 is 24180476.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16852016 + ... + 16852055.

It is an arithmetic number, because the mean of its divisors is an integer number (117964252).

Almost surely, 2^674081420 is an apocalyptic number.

It is an amenable number.

674081420 is an abundant number, since it is smaller than the sum of its proper divisors (741489604).

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

674081420 is a wasteful number, since it uses less digits than its factorization.

674081420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33704080 (or 33704078 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 674081420 is about 25963.0780147501. The cubic root of 674081420 is about 876.8072231626.

The spelling of 674081420 in words is "six hundred seventy-four million, eighty-one thousand, four hundred twenty".