673791769 has 16 divisors (see below), whose sum is σ = 777932800. Its totient is φ = 571644864.

The previous prime is 673791751. The next prime is 673791773. The reversal of 673791769 is 967197376.

It is a happy number.

It is not a de Polignac number, because 673791769 - 2⁷ = 673791641 is a prime.

It is a super-2 number, since 2×673791769² = 907990695944298722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673791709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629767 + ... + 630835.

It is an arithmetic number, because the mean of its divisors is an integer number (48620800).

Almost surely, 2^673791769 is an apocalyptic number.

It is an amenable number.

673791769 is a deficient number, since it is larger than the sum of its proper divisors (104141031).

673791769 is a wasteful number, since it uses less digits than its factorization.

673791769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912.

The product of its digits is 3000564, while the sum is 55.

The square root of 673791769 is about 25957.4992824810. The cubic root of 673791769 is about 876.6816179234.

The spelling of 673791769 in words is "six hundred seventy-three million, seven hundred ninety-one thousand, seven hundred sixty-nine".