674001320 has 32 divisors (see below), whose sum is σ = 1517567400. Its totient is φ = 269411328.

The previous prime is 674001301. The next prime is 674001323. The reversal of 674001320 is 23100476.

It can be written as a sum of positive squares in 4 ways, for example, as 617721316 + 56280004 = 24854^2 + 7502^2 .

It is not an unprimeable number, because it can be changed into a prime (674001323) 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, 61196 + ... + 71364.

Almost surely, 2^674001320 is an apocalyptic number.

It is an amenable number.

674001320 is an abundant number, since it is smaller than the sum of its proper divisors (843566080).

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

674001320 is a wasteful number, since it uses less digits than its factorization.

674001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11837 (or 11833 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 674001320 is about 25961.5353937320. The cubic root of 674001320 is about 876.7724919276.

Adding to 674001320 its reverse (23100476), we get a palindrome (697101796).

The spelling of 674001320 in words is "six hundred seventy-four million, one thousand, three hundred twenty".