73447227 has 36 divisors (see below), whose sum is σ = 127689120. Its totient is φ = 40515552.

The previous prime is 73447223. The next prime is 73447237. The reversal of 73447227 is 72274437.

It is not a de Polignac number, because 73447227 - 2² = 73447223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73447191 and 73447200.

It is not an unprimeable number, because it can be changed into a prime (73447223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9918 + ... + 15660.

It is an arithmetic number, because the mean of its divisors is an integer number (3546920).

Almost surely, 2^73447227 is an apocalyptic number.

73447227 is a deficient number, since it is larger than the sum of its proper divisors (54241893).

73447227 is a wasteful number, since it uses less digits than its factorization.

73447227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792 (or 5782 counting only the distinct ones).

The product of its digits is 65856, while the sum is 36.

The square root of 73447227 is about 8570.1357632187. The cubic root of 73447227 is about 418.7856590410.

It can be divided in two parts, 734 and 47227, that added together give a square (47961 = 219²).

The spelling of 73447227 in words is "seventy-three million, four hundred forty-seven thousand, two hundred twenty-seven".