74016943 has 16 divisors (see below), whose sum is σ = 99380736. Its totient is φ = 53238240.

The previous prime is 74016881. The next prime is 74016947. The reversal of 74016943 is 34961047.

It is a happy number.

It is not a de Polignac number, because 74016943 - 2²¹ = 71919791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74016899 and 74016908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74016947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35971 + ... + 37972.

It is an arithmetic number, because the mean of its divisors is an integer number (6211296).

Almost surely, 2^74016943 is an apocalyptic number.

74016943 is a deficient number, since it is larger than the sum of its proper divisors (25363793).

74016943 is a wasteful number, since it uses less digits than its factorization.

74016943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73974.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 74016943 is about 8603.3100025513. The cubic root of 74016943 is about 419.8656845639.

The spelling of 74016943 in words is "seventy-four million, sixteen thousand, nine hundred forty-three".