674471784 has 32 divisors (see below), whose sum is σ = 1927062720. Its totient is φ = 192706176.

The previous prime is 674471767. The next prime is 674471789. The reversal of 674471784 is 487174476.

674471784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (674471789) 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, 2007189 + ... + 2007524.

It is an arithmetic number, because the mean of its divisors is an integer number (60220710).

Almost surely, 2^674471784 is an apocalyptic number.

It is an amenable number.

674471784 is an abundant number, since it is smaller than the sum of its proper divisors (1252590936).

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

674471784 is a wasteful number, since it uses less digits than its factorization.

674471784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014729 (or 4014725 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 48.

The square root of 674471784 is about 25970.5946023575. The cubic root of 674471784 is about 876.9764450178.

The spelling of 674471784 in words is "six hundred seventy-four million, four hundred seventy-one thousand, seven hundred eighty-four".