47257269 has 8 divisors (see below), whose sum is σ = 65182560. Its totient is φ = 30418416.

The previous prime is 47257241. The next prime is 47257271. The reversal of 47257269 is 96275274.

47257269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47257269 - 2⁹ = 47256757 is a prime.

It is a super-2 number, since 2×47257269² = 4466498946676722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 47257269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47257219) 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 7 ways as a sum of consecutive naturals, for example, 271507 + ... + 271680.

It is an arithmetic number, because the mean of its divisors is an integer number (8147820).

Almost surely, 2^47257269 is an apocalyptic number.

It is an amenable number.

47257269 is a deficient number, since it is larger than the sum of its proper divisors (17925291).

47257269 is a wasteful number, since it uses less digits than its factorization.

47257269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543219.

The product of its digits is 211680, while the sum is 42.

The square root of 47257269 is about 6874.3922640478. The cubic root of 47257269 is about 361.5398776430.

The spelling of 47257269 in words is "forty-seven million, two hundred fifty-seven thousand, two hundred sixty-nine".