73839 has 8 divisors (see below), whose sum is σ = 99712. Its totient is φ = 48600.

The previous prime is 73823. The next prime is 73847. The reversal of 73839 is 93837.

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

It is not a de Polignac number, because 73839 - 2⁴ = 73823 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73819) 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, 372 + ... + 534.

It is an arithmetic number, because the mean of its divisors is an integer number (12464).

2⁷³⁸³⁹ is an apocalyptic number.

73839 is a deficient number, since it is larger than the sum of its proper divisors (25873).

73839 is a wasteful number, since it uses less digits than its factorization.

73839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317.

The product of its digits is 4536, while the sum is 30.

The square root of 73839 is about 271.7333251554. The cubic root of 73839 is about 41.9528950351.

It can be divided in two parts, 738 and 39, that multiplied together give a palindrome (28782).

The spelling of 73839 in words is "seventy-three thousand, eight hundred thirty-nine".