74812 has 12 divisors (see below), whose sum is σ = 133560. Its totient is φ = 36656.

The previous prime is 74797. The next prime is 74821. The reversal of 74812 is 21847.

It is a congruent number.

It is an unprimeable number.

74812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 78 + ... + 394.

It is an arithmetic number, because the mean of its divisors is an integer number (11130).

2⁷⁴⁸¹² is an apocalyptic number.

It is an amenable number.

74812 is a deficient number, since it is larger than the sum of its proper divisors (58748).

74812 is a wasteful number, since it uses less digits than its factorization.

74812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 378 counting only the distinct ones).

The product of its digits is 448, while the sum is 22.

The square root of 74812 is about 273.5178239165. The cubic root of 74812 is about 42.1363670393.

The spelling of 74812 in words is "seventy-four thousand, eight hundred twelve".