73871943 has 16 divisors (see below), whose sum is σ = 106485120. Its totient is φ = 45393696.

The previous prime is 73871933. The next prime is 73872011. The reversal of 73871943 is 34917837.

It is not a de Polignac number, because 73871943 - 2⁹ = 73871431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73871895 and 73871904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73871933) 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 15 ways as a sum of consecutive naturals, for example, 15405 + ... + 19622.

It is an arithmetic number, because the mean of its divisors is an integer number (6655320).

Almost surely, 2^73871943 is an apocalyptic number.

73871943 is a deficient number, since it is larger than the sum of its proper divisors (32613177).

73871943 is a wasteful number, since it uses less digits than its factorization.

73871943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35086.

The product of its digits is 127008, while the sum is 42.

The square root of 73871943 is about 8594.8788822182. The cubic root of 73871943 is about 419.5913315112.

The spelling of 73871943 in words is "seventy-three million, eight hundred seventy-one thousand, nine hundred forty-three".