673791 has 8 divisors (see below), whose sum is σ = 910080. Its totient is φ = 443352.

The previous prime is 673787. The next prime is 673793. The reversal of 673791 is 197376.

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

It is not a de Polignac number, because 673791 - 2² = 673787 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673793) 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, 1185 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (113760).

2⁶⁷³⁷⁹¹ is an apocalyptic number.

673791 is a deficient number, since it is larger than the sum of its proper divisors (236289).

673791 is a wasteful number, since it uses less digits than its factorization.

673791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925.

The product of its digits is 7938, while the sum is 33.

The square root of 673791 is about 820.8477325302. The cubic root of 673791 is about 87.6681284404.

The spelling of 673791 in words is "six hundred seventy-three thousand, seven hundred ninety-one".