74263 has 6 divisors (see below), whose sum is σ = 85704. Its totient is φ = 63036.

The previous prime is 74257. The next prime is 74279. The reversal of 74263 is 36247.

It is not a de Polignac number, because 74263 - 2⁵ = 74231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 670 + ... + 772.

It is an arithmetic number, because the mean of its divisors is an integer number (14284).

2⁷⁴²⁶³ is an apocalyptic number.

74263 is a deficient number, since it is larger than the sum of its proper divisors (11441).

74263 is an equidigital number, since it uses as much as digits as its factorization.

74263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 110 counting only the distinct ones).

The product of its digits is 1008, while the sum is 22.

The square root of 74263 is about 272.5123850397. The cubic root of 74263 is about 42.0330427804.

Multiplying 74263 by its product of digits (1008), we get a square (74857104 = 8652²).

The spelling of 74263 in words is "seventy-four thousand, two hundred sixty-three".