74006 has 4 divisors (see below), whose sum is σ = 111012. Its totient is φ = 37002.

The previous prime is 73999. The next prime is 74017. The reversal of 74006 is 60047.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

74006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18500 + ... + 18503.

It is an arithmetic number, because the mean of its divisors is an integer number (27753).

2⁷⁴⁰⁰⁶ is an apocalyptic number.

74006 is a deficient number, since it is larger than the sum of its proper divisors (37006).

74006 is a wasteful number, since it uses less digits than its factorization.

74006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37005.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 74006 is about 272.0404381705. The cubic root of 74006 is about 41.9844991929.

The spelling of 74006 in words is "seventy-four thousand, six".