49789738 has 4 divisors (see below), whose sum is σ = 74684610. Its totient is φ = 24894868.

The previous prime is 49789717. The next prime is 49789741. The reversal of 49789738 is 83798794.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33605209 + 16184529 = 5797^2 + 4023^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12447433 + ... + 12447436.

Almost surely, 2^49789738 is an apocalyptic number.

49789738 is a deficient number, since it is larger than the sum of its proper divisors (24894872).

49789738 is a wasteful number, since it uses less digits than its factorization.

49789738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24894871.

The product of its digits is 3048192, while the sum is 55.

The square root of 49789738 is about 7056.1843796772. The cubic root of 49789738 is about 367.8860164078.

The spelling of 49789738 in words is "forty-nine million, seven hundred eighty-nine thousand, seven hundred thirty-eight".