49871742 has 8 divisors (see below), whose sum is σ = 99743496. Its totient is φ = 16623912.

The previous prime is 49871729. The next prime is 49871753. The reversal of 49871742 is 24717894.

It is a happy number.

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

49871742 is an admirable number.

It is a super-2 number, since 2×49871742² = 4974381300229128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49871694 and 49871703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4155973 + ... + 4155984.

It is an arithmetic number, because the mean of its divisors is an integer number (12467937).

Almost surely, 2^49871742 is an apocalyptic number.

49871742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49871742 is a wasteful number, since it uses less digits than its factorization.

49871742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8311962.

The product of its digits is 112896, while the sum is 42.

The square root of 49871742 is about 7061.9927782461. The cubic root of 49871742 is about 368.0878757927.

The spelling of 49871742 in words is "forty-nine million, eight hundred seventy-one thousand, seven hundred forty-two".