673951589 has 8 divisors (see below), whose sum is σ = 704552640. Its totient is φ = 643458816.

The previous prime is 673951571. The next prime is 673951601. The reversal of 673951589 is 985159376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673951589 - 2¹² = 673947493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673951589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673951529) 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, 14204 + ... + 39365.

It is an arithmetic number, because the mean of its divisors is an integer number (88069080).

Almost surely, 2^673951589 is an apocalyptic number.

It is an amenable number.

673951589 is a deficient number, since it is larger than the sum of its proper divisors (30601051).

673951589 is a wasteful number, since it uses less digits than its factorization.

673951589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54139.

The product of its digits is 2041200, while the sum is 53.

The square root of 673951589 is about 25960.5775937285. The cubic root of 673951589 is about 876.7509272591.

The spelling of 673951589 in words is "six hundred seventy-three million, nine hundred fifty-one thousand, five hundred eighty-nine".