74006943 has 4 divisors (see below), whose sum is σ = 98675928. Its totient is φ = 49337960.

The previous prime is 74006929. The next prime is 74006953. The reversal of 74006943 is 34960047.

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 74006943 - 2⁸ = 74006687 is a prime.

It is a super-2 number, since 2×74006943² = 10954055224410498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74006903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12334488 + ... + 12334493.

It is an arithmetic number, because the mean of its divisors is an integer number (24668982).

Almost surely, 2^74006943 is an apocalyptic number.

74006943 is a deficient number, since it is larger than the sum of its proper divisors (24668985).

74006943 is a wasteful number, since it uses less digits than its factorization.

74006943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24668984.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 74006943 is about 8602.7288112552. The cubic root of 74006943 is about 419.8467751729.

The spelling of 74006943 in words is "seventy-four million, six thousand, nine hundred forty-three".