49999742 has 16 divisors (see below), whose sum is σ = 80967600. Its totient is φ = 23020032.

The previous prime is 49999739. The next prime is 49999751. The reversal of 49999742 is 24799994.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9533 + ... + 13815.

It is an arithmetic number, because the mean of its divisors is an integer number (5060475).

Almost surely, 2^49999742 is an apocalyptic number.

49999742 is a deficient number, since it is larger than the sum of its proper divisors (30967858).

49999742 is a wasteful number, since it uses less digits than its factorization.

49999742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747.

The product of its digits is 1469664, while the sum is 53.

The square root of 49999742 is about 7071.0495684870. The cubic root of 49999742 is about 368.4025162095.

It can be divided in two parts, 4999 and 9742, that added together give a palindrome (14741).

The spelling of 49999742 in words is "forty-nine million, nine hundred ninety-nine thousand, seven hundred forty-two".