74609943 has 8 divisors (see below), whose sum is σ = 99647856. Its totient is φ = 49656000.

The previous prime is 74609933. The next prime is 74609947. The reversal of 74609943 is 34990647.

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

It is not a de Polignac number, because 74609943 - 2⁶ = 74609879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74609895 and 74609904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74609947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18888 + ... + 22493.

It is an arithmetic number, because the mean of its divisors is an integer number (12455982).

Almost surely, 2^74609943 is an apocalyptic number.

74609943 is a deficient number, since it is larger than the sum of its proper divisors (25037913).

74609943 is a wasteful number, since it uses less digits than its factorization.

74609943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41985.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 74609943 is about 8637.7047298458. The cubic root of 74609943 is about 420.9839797712.

The spelling of 74609943 in words is "seventy-four million, six hundred nine thousand, nine hundred forty-three".