73252566 has 32 divisors (see below), whose sum is σ = 168038400. Its totient is φ = 23629320.

The previous prime is 73252561. The next prime is 73252567. The reversal of 73252566 is 66525237.

It is a happy number.

73252566 is a `hidden beast` number, since 73 + 2 + 525 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 73252566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73252561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20206 + ... + 23553.

It is an arithmetic number, because the mean of its divisors is an integer number (5251200).

Almost surely, 2^73252566 is an apocalyptic number.

73252566 is an abundant number, since it is smaller than the sum of its proper divisors (94785834).

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

73252566 is a wasteful number, since it uses less digits than its factorization.

73252566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43801 (or 43795 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 73252566 is about 8558.7712903197. The cubic root of 73252566 is about 418.4153552427.

The spelling of 73252566 in words is "seventy-three million, two hundred fifty-two thousand, five hundred sixty-six".