79753 has 4 divisors (see below), whose sum is σ = 80388. Its totient is φ = 79120.

The previous prime is 79699. The next prime is 79757. The reversal of 79753 is 35797.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 51529 + 28224 = 227^2 + 168^2 .

It is a cyclic number.

It is not a de Polignac number, because 79753 - 2⁹ = 79241 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (79757) 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, 58 + ... + 403.

It is an arithmetic number, because the mean of its divisors is an integer number (20097).

2⁷⁹⁷⁵³ is an apocalyptic number.

It is an amenable number.

79753 is a deficient number, since it is larger than the sum of its proper divisors (635).

79753 is a wasteful number, since it uses less digits than its factorization.

79753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634.

The product of its digits is 6615, while the sum is 31.

The square root of 79753 is about 282.4057364856. The cubic root of 79753 is about 43.0443026360.

Adding to 79753 its product of digits (6615), we get a palindrome (86368).

Subtracting from 79753 its reverse (35797), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 79753 in words is "seventy-nine thousand, seven hundred fifty-three".