674208220 has 24 divisors (see below), whose sum is σ = 1618100064. Its totient is φ = 231157056.

The previous prime is 674208209. The next prime is 674208221. The reversal of 674208220 is 22802476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674208221) 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, 2407747 + ... + 2408026.

It is an arithmetic number, because the mean of its divisors is an integer number (67420836).

Almost surely, 2^674208220 is an apocalyptic number.

It is an amenable number.

674208220 is an abundant number, since it is smaller than the sum of its proper divisors (943891844).

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

674208220 is a wasteful number, since it uses less digits than its factorization.

674208220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4815789 (or 4815787 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 674208220 is about 25965.5198291889. The cubic root of 674208220 is about 876.8621978200.

The spelling of 674208220 in words is "six hundred seventy-four million, two hundred eight thousand, two hundred twenty".