73889943 has 8 divisors (see below), whose sum is σ = 99869808. Its totient is φ = 48585024.

The previous prime is 73889929. The next prime is 73889983. The reversal of 73889943 is 34998837.

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

It is not a de Polignac number, because 73889943 - 2⁴ = 73889927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73889903) 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, 168480 + ... + 168917.

It is an arithmetic number, because the mean of its divisors is an integer number (12483726).

Almost surely, 2^73889943 is an apocalyptic number.

73889943 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

73889943 is a deficient number, since it is larger than the sum of its proper divisors (25979865).

73889943 is a wasteful number, since it uses less digits than its factorization.

73889943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337473.

The product of its digits is 1306368, while the sum is 51.

The square root of 73889943 is about 8595.9259536131. The cubic root of 73889943 is about 419.6254086376.

The spelling of 73889943 in words is "seventy-three million, eight hundred eighty-nine thousand, nine hundred forty-three".