73389943 has 8 divisors (see below), whose sum is σ = 80163216. Its totient is φ = 66633600.

The previous prime is 73389937. The next prime is 73389971. The reversal of 73389943 is 34998337.

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

It is a de Polignac number, because none of the positive numbers 2^k-73389943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73389893 and 73389902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73389143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5905 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (10020402).

Almost surely, 2^73389943 is an apocalyptic number.

73389943 is a deficient number, since it is larger than the sum of its proper divisors (6773273).

73389943 is a wasteful number, since it uses less digits than its factorization.

73389943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8465.

The product of its digits is 489888, while the sum is 46.

The square root of 73389943 is about 8566.7930405724. The cubic root of 73389943 is about 418.6767556457.

The spelling of 73389943 in words is "seventy-three million, three hundred eighty-nine thousand, nine hundred forty-three".