73251252 has 18 divisors (see below), whose sum is σ = 185162978. Its totient is φ = 24417072.

The previous prime is 73251229. The next prime is 73251253. The reversal of 73251252 is 25215237.

It can be written as a sum of positive squares in only one way, i.e., 37896336 + 35354916 = 6156^2 + 5946^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73251253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1017343 + ... + 1017414.

Almost surely, 2^73251252 is an apocalyptic number.

It is an amenable number.

73251252 is an abundant number, since it is smaller than the sum of its proper divisors (111911726).

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

73251252 is a wasteful number, since it uses less digits than its factorization.

73251252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034767 (or 2034762 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 73251252 is about 8558.6945266203. The cubic root of 73251252 is about 418.4128533915.

Adding to 73251252 its reverse (25215237), we get a palindrome (98466489).

It can be divided in two parts, 732 and 51252, that added together give a square (51984 = 228²).

The spelling of 73251252 in words is "seventy-three million, two hundred fifty-one thousand, two hundred fifty-two".