74663 has 4 divisors (see below), whose sum is σ = 75240. Its totient is φ = 74088.

The previous prime is 74653. The next prime is 74687. The reversal of 74663 is 36647.

74663 is nontrivially palindromic in base 14.

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, and also an emirpimes, since its reverse is a distinct semiprime: 36647 = 13 ⋅2819.

It is a cyclic number.

It is not a de Polignac number, because 74663 - 2¹⁶ = 9127 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6 and base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 74663.

It is not an unprimeable number, because it can be changed into a prime (74623) 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, 8 + ... + 386.

It is an arithmetic number, because the mean of its divisors is an integer number (18810).

2⁷⁴⁶⁶³ is an apocalyptic number.

74663 is a deficient number, since it is larger than the sum of its proper divisors (577).

74663 is a wasteful number, since it uses less digits than its factorization.

74663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its digits is 3024, while the sum is 26.

The square root of 74663 is about 273.2453110302. The cubic root of 74663 is about 42.1083746878.

It can be divided in two parts, 74 and 663, that added together give a palindrome (737).

The spelling of 74663 in words is "seventy-four thousand, six hundred sixty-three".