47227273 has 4 divisors (see below), whose sum is σ = 47291920. Its totient is φ = 47162628.

The previous prime is 47227261. The next prime is 47227289. The reversal of 47227273 is 37272274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47227273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47227223) 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, 31215 + ... + 32692.

It is an arithmetic number, because the mean of its divisors is an integer number (11822980).

Almost surely, 2^47227273 is an apocalyptic number.

It is an amenable number.

47227273 is a deficient number, since it is larger than the sum of its proper divisors (64647).

47227273 is an equidigital number, since it uses as much as digits as its factorization.

47227273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64646.

The product of its digits is 32928, while the sum is 34.

The square root of 47227273 is about 6872.2101976002. The cubic root of 47227273 is about 361.4633670466.

The spelling of 47227273 in words is "forty-seven million, two hundred twenty-seven thousand, two hundred seventy-three".