73321232 has 10 divisors (see below), whose sum is σ = 142059918. Its totient is φ = 36660608.

The previous prime is 73321219. The next prime is 73321301. The reversal of 73321232 is 23212337.

It can be written as a sum of positive squares in only one way, i.e., 71842576 + 1478656 = 8476^2 + 1216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73321198 and 73321207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2291273 + ... + 2291304.

Almost surely, 2^73321232 is an apocalyptic number.

It is an amenable number.

73321232 is a deficient number, since it is larger than the sum of its proper divisors (68738686).

73321232 is a wasteful number, since it uses less digits than its factorization.

73321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582585 (or 4582579 counting only the distinct ones).

The product of its digits is 1512, while the sum is 23.

The square root of 73321232 is about 8562.7817909836. The cubic root of 73321232 is about 418.5460534453.

Adding to 73321232 its reverse (23212337), we get a palindrome (96533569).

The spelling of 73321232 in words is "seventy-three million, three hundred twenty-one thousand, two hundred thirty-two".