674017189 has 4 divisors (see below), whose sum is σ = 676580256. Its totient is φ = 671454124.

The previous prime is 674017147. The next prime is 674017193. The reversal of 674017189 is 981710476.

674017189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 674017189 - 2¹⁷ = 673886117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674017109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281139 + ... + 1281664.

It is an arithmetic number, because the mean of its divisors is an integer number (169145064).

Almost surely, 2^674017189 is an apocalyptic number.

It is an amenable number.

674017189 is a deficient number, since it is larger than the sum of its proper divisors (2563067).

674017189 is a wasteful number, since it uses less digits than its factorization.

674017189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563066.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 674017189 is about 25961.8410171544. The cubic root of 674017189 is about 876.7793729198.

The spelling of 674017189 in words is "six hundred seventy-four million, seventeen thousand, one hundred eighty-nine".