674868452 has 6 divisors (see below), whose sum is σ = 1181019798. Its totient is φ = 337434224.

The previous prime is 674868443. The next prime is 674868457. The reversal of 674868452 is 254868476.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 614246656 + 60621796 = 24784^2 + 7786^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 674868452.

It is not an unprimeable number, because it can be changed into a prime (674868457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84358553 + ... + 84358560.

It is an arithmetic number, because the mean of its divisors is an integer number (196836633).

Almost surely, 2^674868452 is an apocalyptic number.

It is an amenable number.

674868452 is a deficient number, since it is larger than the sum of its proper divisors (506151346).

674868452 is a wasteful number, since it uses less digits than its factorization.

674868452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168717117 (or 168717115 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 50.

The square root of 674868452 is about 25978.2303477354. The cubic root of 674868452 is about 877.1483327712.

The spelling of 674868452 in words is "six hundred seventy-four million, eight hundred sixty-eight thousand, four hundred fifty-two".