49742239 has 8 divisors (see below), whose sum is σ = 50304800. Its totient is φ = 49183200.

The previous prime is 49742237. The next prime is 49742243. The reversal of 49742239 is 93224794.

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

It is a cyclic number.

It is not a de Polignac number, because 49742239 - 2¹ = 49742237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49742237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35329 + ... + 36709.

It is an arithmetic number, because the mean of its divisors is an integer number (6288100).

Almost surely, 2^49742239 is an apocalyptic number.

49742239 is a deficient number, since it is larger than the sum of its proper divisors (562561).

49742239 is a wasteful number, since it uses less digits than its factorization.

49742239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761.

The product of its digits is 108864, while the sum is 40.

The square root of 49742239 is about 7052.8178056717. The cubic root of 49742239 is about 367.7689924433.

The spelling of 49742239 in words is "forty-nine million, seven hundred forty-two thousand, two hundred thirty-nine".