74008943 has 4 divisors (see below), whose sum is σ = 74132688. Its totient is φ = 73885200.

The previous prime is 74008919. The next prime is 74008967. The reversal of 74008943 is 34980047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34980047 = 389 ⋅89923.

It is an interprime number because it is at equal distance from previous prime (74008919) and next prime (74008967).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74008943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74008993) 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, 60971 + ... + 62172.

It is an arithmetic number, because the mean of its divisors is an integer number (18533172).

Almost surely, 2^74008943 is an apocalyptic number.

74008943 is a deficient number, since it is larger than the sum of its proper divisors (123745).

74008943 is a wasteful number, since it uses less digits than its factorization.

74008943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123744.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 74008943 is about 8602.8450526555. The cubic root of 74008943 is about 419.8505571874.

The spelling of 74008943 in words is "seventy-four million, eight thousand, nine hundred forty-three".