49973743 has 4 divisors (see below), whose sum is σ = 52603960. Its totient is φ = 47343528.

The previous prime is 49973731. The next prime is 49973747. The reversal of 49973743 is 34737994.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 49973743 - 2¹⁷ = 49842671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49973693 and 49973702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49973747) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1315080 + ... + 1315117.

It is an arithmetic number, because the mean of its divisors is an integer number (13150990).

Almost surely, 2^49973743 is an apocalyptic number.

49973743 is a deficient number, since it is larger than the sum of its proper divisors (2630217).

49973743 is a wasteful number, since it uses less digits than its factorization.

49973743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630216.

The product of its digits is 571536, while the sum is 46.

The square root of 49973743 is about 7069.2109177758. The cubic root of 49973743 is about 368.3386508290.

The spelling of 49973743 in words is "forty-nine million, nine hundred seventy-three thousand, seven hundred forty-three".