47257444 has 12 divisors (see below), whose sum is σ = 89062204. Its totient is φ = 21811104.

The previous prime is 47257393. The next prime is 47257481. The reversal of 47257444 is 44475274.

It can be written as a sum of positive squares in 2 ways, for example, as 16321600 + 30935844 = 4040^2 + 5562^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454347 + ... + 454450.

Almost surely, 2^47257444 is an apocalyptic number.

It is an amenable number.

47257444 is a deficient number, since it is larger than the sum of its proper divisors (41804760).

47257444 is a wasteful number, since it uses less digits than its factorization.

47257444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908814 (or 908812 counting only the distinct ones).

The product of its digits is 125440, while the sum is 37.

The square root of 47257444 is about 6874.4049924339. The cubic root of 47257444 is about 361.5403239193.

The spelling of 47257444 in words is "forty-seven million, two hundred fifty-seven thousand, four hundred forty-four".