73111090 has 24 divisors (see below), whose sum is σ = 142505028. Its totient is φ = 26994240.

The previous prime is 73111079. The next prime is 73111091. The reversal of 73111090 is 9011137.

It can be written as a sum of positive squares in 6 ways, for example, as 8485569 + 64625521 = 2913^2 + 8039^2 .

It is not an unprimeable number, because it can be changed into a prime (73111091) 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 11 ways as a sum of consecutive naturals, for example, 19941 + ... + 23320.

Almost surely, 2^73111090 is an apocalyptic number.

73111090 is a deficient number, since it is larger than the sum of its proper divisors (69393938).

73111090 is a wasteful number, since it uses less digits than its factorization.

73111090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43294 (or 43281 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 73111090 is about 8550.5023244252. The cubic root of 73111090 is about 418.1458134637.

The spelling of 73111090 in words is "seventy-three million, one hundred eleven thousand, ninety".