74006843 has 4 divisors (see below), whose sum is σ = 77901960. Its totient is φ = 70111728.

The previous prime is 74006809. The next prime is 74006857. The reversal of 74006843 is 34860047.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 74006843 - 2⁸ = 74006587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74006873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1947530 + ... + 1947567.

It is an arithmetic number, because the mean of its divisors is an integer number (19475490).

Almost surely, 2^74006843 is an apocalyptic number.

74006843 is a deficient number, since it is larger than the sum of its proper divisors (3895117).

74006843 is a wasteful number, since it uses less digits than its factorization.

74006843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895116.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 74006843 is about 8602.7229991439. The cubic root of 74006843 is about 419.8465860704.

The spelling of 74006843 in words is "seventy-four million, six thousand, eight hundred forty-three".