73352281 has 16 divisors (see below), whose sum is σ = 79041600. Its totient is φ = 67935168.

The previous prime is 73352269. The next prime is 73352291. The reversal of 73352281 is 18225337.

It is not a de Polignac number, because 73352281 - 2⁹ = 73351769 is a prime.

It is a super-2 number, since 2×73352281² = 10761114255805922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73352261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73075 + ... + 74071.

It is an arithmetic number, because the mean of its divisors is an integer number (4940100).

Almost surely, 2^73352281 is an apocalyptic number.

It is an amenable number.

73352281 is a deficient number, since it is larger than the sum of its proper divisors (5689319).

73352281 is a wasteful number, since it uses less digits than its factorization.

73352281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its digits is 10080, while the sum is 31.

The square root of 73352281 is about 8564.5946197120. The cubic root of 73352281 is about 418.6051250226.

The spelling of 73352281 in words is "seventy-three million, three hundred fifty-two thousand, two hundred eighty-one".