73550032 has 40 divisors (see below), whose sum is σ = 148193640. Its totient is φ = 35320320.

The previous prime is 73550017. The next prime is 73550047. The reversal of 73550032 is 23005537.

It is an interprime number because it is at equal distance from previous prime (73550017) and next prime (73550047).

It can be written as a sum of positive squares in 4 ways, for example, as 25441936 + 48108096 = 5044^2 + 6936^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73549979 and 73550006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135682 + ... + 136222.

It is an arithmetic number, because the mean of its divisors is an integer number (3704841).

Almost surely, 2^73550032 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 73550032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74096820).

73550032 is an abundant number, since it is smaller than the sum of its proper divisors (74643608).

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

73550032 is a wasteful number, since it uses less digits than its factorization.

73550032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 73550032 is about 8576.1315288421. The cubic root of 73550032 is about 418.9809611177.

Adding to 73550032 its reverse (23005537), we get a palindrome (96555569).

The spelling of 73550032 in words is "seventy-three million, five hundred fifty thousand, thirty-two".