73229239 has 4 divisors (see below), whose sum is σ = 75015360. Its totient is φ = 71443120.

The previous prime is 73229203. The next prime is 73229257. The reversal of 73229239 is 93292237.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73229239 - 2¹¹ = 73227191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73229198 and 73229207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73229269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892999 + ... + 893080.

It is an arithmetic number, because the mean of its divisors is an integer number (18753840).

Almost surely, 2^73229239 is an apocalyptic number.

73229239 is a deficient number, since it is larger than the sum of its proper divisors (1786121).

73229239 is a wasteful number, since it uses less digits than its factorization.

73229239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786120.

The product of its digits is 40824, while the sum is 37.

The square root of 73229239 is about 8557.4084277893. The cubic root of 73229239 is about 418.3709362699.

It can be divided in two parts, 7322 and 9239, that added together give a palindrome (16561).

The spelling of 73229239 in words is "seventy-three million, two hundred twenty-nine thousand, two hundred thirty-nine".