73207332 has 72 divisors (see below), whose sum is σ = 203024640. Its totient is φ = 22057920.

The previous prime is 73207331. The next prime is 73207333. The reversal of 73207332 is 23370237.

It is a happy number.

73207332 is a `hidden beast` number, since 7 + 320 + 7 + 332 = 666.

It is an interprime number because it is at equal distance from previous prime (73207331) and next prime (73207333).

It is a junction number, because it is equal to n+sod(n) for n = 73207296 and 73207305.

It is not an unprimeable number, because it can be changed into a prime (73207331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87894 + ... + 88722.

Almost surely, 2^73207332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73207332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101512320).

73207332 is an abundant number, since it is smaller than the sum of its proper divisors (129817308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73207332 is a wasteful number, since it uses less digits than its factorization.

73207332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 27.

The square root of 73207332 is about 8556.1283300334. The cubic root of 73207332 is about 418.3292126527.

Adding to 73207332 its reverse (23370237), we get a palindrome (96577569).

The spelling of 73207332 in words is "seventy-three million, two hundred seven thousand, three hundred thirty-two".