74723 has 4 divisors (see below), whose sum is σ = 81528. Its totient is φ = 67920.

The previous prime is 74719. The next prime is 74729. The reversal of 74723 is 32747.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74723 - 2² = 74719 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (74729) 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, 3386 + ... + 3407.

It is an arithmetic number, because the mean of its divisors is an integer number (20382).

2⁷⁴⁷²³ is an apocalyptic number.

74723 is a deficient number, since it is larger than the sum of its proper divisors (6805).

74723 is a wasteful number, since it uses less digits than its factorization.

74723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804.

The product of its digits is 1176, while the sum is 23.

The square root of 74723 is about 273.3550804357. The cubic root of 74723 is about 42.1196512505.

It can be divided in two parts, 74 and 723, that added together give a palindrome (797).

The spelling of 74723 in words is "seventy-four thousand, seven hundred twenty-three", and thus it is an iban number.