74288 has 10 divisors (see below), whose sum is σ = 143964. Its totient is φ = 37136.

The previous prime is 74287. The next prime is 74293. The reversal of 74288 is 88247.

It is a self number, because there is not a number n which added to its sum of digits gives 74288.

It is not an unprimeable number, because it can be changed into a prime (74287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2306 + ... + 2337.

2⁷⁴²⁸⁸ is an apocalyptic number.

It is an amenable number.

74288 is a deficient number, since it is larger than the sum of its proper divisors (69676).

74288 is a wasteful number, since it uses less digits than its factorization.

74288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651 (or 4645 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 74288 is about 272.5582506548. The cubic root of 74288 is about 42.0377589386.

It can be divided in two parts, 74 and 288, that multiplied together give a palindrome (21312).

The spelling of 74288 in words is "seventy-four thousand, two hundred eighty-eight".