73081227 has 4 divisors (see below), whose sum is σ = 97441640. Its totient is φ = 48720816.

The previous prime is 73081219. The next prime is 73081273. The reversal of 73081227 is 72218037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72218037 = 3 ⋅24072679.

It is not a de Polignac number, because 73081227 - 2³ = 73081219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73081194 and 73081203.

It is not an unprimeable number, because it can be changed into a prime (73081027) 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, 12180202 + ... + 12180207.

It is an arithmetic number, because the mean of its divisors is an integer number (24360410).

Almost surely, 2^73081227 is an apocalyptic number.

73081227 is a deficient number, since it is larger than the sum of its proper divisors (24360413).

73081227 is a wasteful number, since it uses less digits than its factorization.

73081227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24360412.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 73081227 is about 8548.7558743948. The cubic root of 73081227 is about 418.0888736799.

The spelling of 73081227 in words is "seventy-three million, eighty-one thousand, two hundred twenty-seven".