47427269 has 4 divisors (see below), whose sum is σ = 47549580. Its totient is φ = 47304960.

The previous prime is 47427257. The next prime is 47427271. The reversal of 47427269 is 96272474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22676644 + 24750625 = 4762^2 + 4975^2 .

It is a cyclic number.

It is not a de Polignac number, because 47427269 - 2²⁰ = 46378693 is a prime.

It is a super-2 number, since 2×47427269² = 4498691689596722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47427239) 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, 60572 + ... + 61349.

It is an arithmetic number, because the mean of its divisors is an integer number (11887395).

Almost surely, 2^47427269 is an apocalyptic number.

It is an amenable number.

47427269 is a deficient number, since it is larger than the sum of its proper divisors (122311).

47427269 is a wasteful number, since it uses less digits than its factorization.

47427269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122310.

The product of its digits is 169344, while the sum is 41.

The square root of 47427269 is about 6886.7458933810. The cubic root of 47427269 is about 361.9728849383.

The spelling of 47427269 in words is "forty-seven million, four hundred twenty-seven thousand, two hundred sixty-nine".