73492281 has 6 divisors (see below), whose sum is σ = 106155530. Its totient is φ = 48994848.

The previous prime is 73492259. The next prime is 73492319. The reversal of 73492281 is 18229437.

It can be written as a sum of positive squares in only one way, i.e., 67322025 + 6170256 = 8205^2 + 2484^2 .

It is not a de Polignac number, because 73492281 - 2¹⁵ = 73459513 is a prime.

It is a super-2 number, since 2×73492281² = 10802230733165922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73492231) 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 5 ways as a sum of consecutive naturals, for example, 4082896 + ... + 4082913.

Almost surely, 2^73492281 is an apocalyptic number.

It is an amenable number.

73492281 is a deficient number, since it is larger than the sum of its proper divisors (32663249).

73492281 is a wasteful number, since it uses less digits than its factorization.

73492281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165815 (or 8165812 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 73492281 is about 8572.7639066989. The cubic root of 73492281 is about 418.8712720413.

The spelling of 73492281 in words is "seventy-three million, four hundred ninety-two thousand, two hundred eighty-one".