74788 has 12 divisors (see below), whose sum is σ = 149632. Its totient is φ = 32040.

The previous prime is 74779. The next prime is 74797. The reversal of 74788 is 88747.

It is an interprime number because it is at equal distance from previous prime (74779) and next prime (74797).

74788 is an admirable number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1308 + ... + 1363.

2⁷⁴⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

74788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74816).

74788 is a wasteful number, since it uses less digits than its factorization.

74788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2680 counting only the distinct ones).

The product of its digits is 12544, while the sum is 34.

The square root of 74788 is about 273.4739475709. The cubic root of 74788 is about 42.1318607169.

The spelling of 74788 in words is "seventy-four thousand, seven hundred eighty-eight".