49742289 has 32 divisors (see below), whose sum is σ = 78503040. Its totient is φ = 31021056.

The previous prime is 49742263. The next prime is 49742291. The reversal of 49742289 is 98224794.

49742289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49742289 - 2⁵ = 49742257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49742089) 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 31 ways as a sum of consecutive naturals, for example, 140737 + ... + 141089.

It is an arithmetic number, because the mean of its divisors is an integer number (2453220).

Almost surely, 2^49742289 is an apocalyptic number.

It is an amenable number.

49742289 is a deficient number, since it is larger than the sum of its proper divisors (28760751).

49742289 is a wasteful number, since it uses less digits than its factorization.

49742289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 680 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 49742289 is about 7052.8213503533. The cubic root of 49742289 is about 367.7691156682.

The spelling of 49742289 in words is "forty-nine million, seven hundred forty-two thousand, two hundred eighty-nine".