74304943 has 16 divisors (see below), whose sum is σ = 80857440. Its totient is φ = 68023296.

The previous prime is 74304913. The next prime is 74304947. The reversal of 74304943 is 34940347.

It is a cyclic number.

It is not a de Polignac number, because 74304943 - 2⁵ = 74304911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74304899 and 74304908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74304947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101005 + ... + 101737.

It is an arithmetic number, because the mean of its divisors is an integer number (5053590).

Almost surely, 2^74304943 is an apocalyptic number.

74304943 is a deficient number, since it is larger than the sum of its proper divisors (6552497).

74304943 is a wasteful number, since it uses less digits than its factorization.

74304943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 74304943 is about 8620.0314964622. The cubic root of 74304943 is about 420.4095457188.

The spelling of 74304943 in words is "seventy-four million, three hundred four thousand, nine hundred forty-three".