74406 has 8 divisors (see below), whose sum is σ = 148824. Its totient is φ = 24800.

The previous prime is 74383. The next prime is 74411. The reversal of 74406 is 60447.

It is a sphenic number, since it is the product of 3 distinct primes.

74406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

74406 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, 6195 + ... + 6206.

It is an arithmetic number, because the mean of its divisors is an integer number (18603).

2⁷⁴⁴⁰⁶ is an apocalyptic number.

74406 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 (74412).

74406 is a wasteful number, since it uses less digits than its factorization.

74406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12406.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 74406 is about 272.7746322516. The cubic root of 74406 is about 42.0600049337.

Adding to 74406 its product of nonzero digits (672), we get a triangular number (75078 = T₃₈₇).

The spelling of 74406 in words is "seventy-four thousand, four hundred six".