73133252 has 12 divisors (see below), whose sum is σ = 135511740. Its totient is φ = 34415616.

The previous prime is 73133251. The next prime is 73133293. The reversal of 73133252 is 25233137.

It can be written as a sum of positive squares in 2 ways, for example, as 24049216 + 49084036 = 4904^2 + 7006^2 .

It is not an unprimeable number, because it can be changed into a prime (73133251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537677 + ... + 537812.

It is an arithmetic number, because the mean of its divisors is an integer number (11292645).

Almost surely, 2^73133252 is an apocalyptic number.

It is an amenable number.

73133252 is a deficient number, since it is larger than the sum of its proper divisors (62378488).

73133252 is a wasteful number, since it uses less digits than its factorization.

73133252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075510 (or 1075508 counting only the distinct ones).

The product of its digits is 3780, while the sum is 26.

The square root of 73133252 is about 8551.7981734837. The cubic root of 73133252 is about 418.1880597281.

Adding to 73133252 its reverse (25233137), we get a palindrome (98366389).

The spelling of 73133252 in words is "seventy-three million, one hundred thirty-three thousand, two hundred fifty-two".