674705420 has 48 divisors (see below), whose sum is σ = 1440669888. Its totient is φ = 265374720.

The previous prime is 674705293. The next prime is 674705429. The reversal of 674705420 is 24507476.

It is not an unprimeable number, because it can be changed into a prime (674705429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760217 + ... + 761103.

It is an arithmetic number, because the mean of its divisors is an integer number (30013956).

Almost surely, 2^674705420 is an apocalyptic number.

It is an amenable number.

674705420 is an abundant number, since it is smaller than the sum of its proper divisors (765964468).

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

674705420 is a wasteful number, since it uses less digits than its factorization.

674705420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 674705420 is about 25975.0923001247. The cubic root of 674705420 is about 877.0776944300.

The spelling of 674705420 in words is "six hundred seventy-four million, seven hundred five thousand, four hundred twenty".