49871743 has 4 divisors (see below), whose sum is σ = 49890328. Its totient is φ = 49853160.

The previous prime is 49871729. The next prime is 49871753. The reversal of 49871743 is 34717894.

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

It is a cyclic number.

It is not a de Polignac number, because 49871743 - 2⁹ = 49871231 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 49871743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49871753) 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, 4413 + ... + 10918.

It is an arithmetic number, because the mean of its divisors is an integer number (12472582).

Almost surely, 2^49871743 is an apocalyptic number.

49871743 is a deficient number, since it is larger than the sum of its proper divisors (18585).

49871743 is a wasteful number, since it uses less digits than its factorization.

49871743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18584.

The product of its digits is 169344, while the sum is 43.

The square root of 49871743 is about 7061.9928490476. The cubic root of 49871743 is about 368.0878782530.

The spelling of 49871743 in words is "forty-nine million, eight hundred seventy-one thousand, seven hundred forty-three".