674860289 has 4 divisors (see below), whose sum is σ = 687593556. Its totient is φ = 662127024.

The previous prime is 674860283. The next prime is 674860309. The reversal of 674860289 is 982068476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 600642064 + 74218225 = 24508^2 + 8615^2 .

It is a cyclic number.

It is not a de Polignac number, because 674860289 - 2²⁸ = 406424833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674860283) 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 3 ways as a sum of consecutive naturals, for example, 6366554 + ... + 6366659.

It is an arithmetic number, because the mean of its divisors is an integer number (171898389).

Almost surely, 2^674860289 is an apocalyptic number.

It is an amenable number.

674860289 is a deficient number, since it is larger than the sum of its proper divisors (12733267).

674860289 is a wasteful number, since it uses less digits than its factorization.

674860289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12733266.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 674860289 is about 25978.0732349418. The cubic root of 674860289 is about 877.1447961853.

The spelling of 674860289 in words is "six hundred seventy-four million, eight hundred sixty thousand, two hundred eighty-nine".