79673 has 4 divisors (see below), whose sum is σ = 86928. Its totient is φ = 72420.

The previous prime is 79669. The next prime is 79687. The reversal of 79673 is 37697.

Added to its reverse (37697) it gives a triangular number (117370 = T₄₈₄).

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 79673 - 2² = 79669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79613) 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, 3611 + ... + 3632.

It is an arithmetic number, because the mean of its divisors is an integer number (21732).

2⁷⁹⁶⁷³ is an apocalyptic number.

It is an amenable number.

79673 is a deficient number, since it is larger than the sum of its proper divisors (7255).

79673 is a wasteful number, since it uses less digits than its factorization.

79673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254.

The product of its digits is 7938, while the sum is 32.

The square root of 79673 is about 282.2640607658. The cubic root of 79673 is about 43.0299052831.

Adding to 79673 its reverse (37697), we get a triangular number (117370 = T₄₈₄).

The spelling of 79673 in words is "seventy-nine thousand, six hundred seventy-three".