73289237 has 4 divisors (see below), whose sum is σ = 83759136. Its totient is φ = 62819340.

The previous prime is 73289231. The next prime is 73289257. The reversal of 73289237 is 73298237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73289237 - 2⁴ = 73289221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73289194 and 73289203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73289231) 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 3 ways as a sum of consecutive naturals, for example, 5234939 + ... + 5234952.

It is an arithmetic number, because the mean of its divisors is an integer number (20939784).

Almost surely, 2^73289237 is an apocalyptic number.

It is an amenable number.

73289237 is a deficient number, since it is larger than the sum of its proper divisors (10469899).

73289237 is a wasteful number, since it uses less digits than its factorization.

73289237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469898.

The product of its digits is 127008, while the sum is 41.

The square root of 73289237 is about 8560.9133274435. The cubic root of 73289237 is about 418.4851646280.

The spelling of 73289237 in words is "seventy-three million, two hundred eighty-nine thousand, two hundred thirty-seven".