47257741 has 4 divisors (see below), whose sum is σ = 47393500. Its totient is φ = 47121984.

The previous prime is 47257729. The next prime is 47257751. The reversal of 47257741 is 14775274.

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 31024900 + 16232841 = 5570^2 + 4029^2 .

It is a cyclic number.

It is not a de Polignac number, because 47257741 - 2¹¹ = 47255693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47257741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47257711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67356 + ... + 68053.

It is an arithmetic number, because the mean of its divisors is an integer number (11848375).

Almost surely, 2^47257741 is an apocalyptic number.

It is an amenable number.

47257741 is a deficient number, since it is larger than the sum of its proper divisors (135759).

47257741 is a wasteful number, since it uses less digits than its factorization.

47257741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135758.

The product of its digits is 54880, while the sum is 37.

The square root of 47257741 is about 6874.4265942695. The cubic root of 47257741 is about 361.5410813115.

The spelling of 47257741 in words is "forty-seven million, two hundred fifty-seven thousand, seven hundred forty-one".