49999738 has 8 divisors (see below), whose sum is σ = 75388788. Its totient is φ = 24870144.

The previous prime is 49999711. The next prime is 49999739. The reversal of 49999738 is 83799994.

It can be written as a sum of positive squares in 2 ways, for example, as 48818169 + 1181569 = 6987^2 + 1087^2 .

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

It is not an unprimeable number, because it can be changed into a prime (49999739) by changing a digit.

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, 64381 + ... + 65152.

Almost surely, 2^49999738 is an apocalyptic number.

49999738 is a deficient number, since it is larger than the sum of its proper divisors (25389050).

49999738 is a wasteful number, since it uses less digits than its factorization.

49999738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129728.

The product of its digits is 4408992, while the sum is 58.

The square root of 49999738 is about 7071.0492856435. The cubic root of 49999738 is about 368.4025063854.

The spelling of 49999738 in words is "forty-nine million, nine hundred ninety-nine thousand, seven hundred thirty-eight".