49378743 has 12 divisors (see below), whose sum is σ = 71888128. Its totient is φ = 32659200.

The previous prime is 49378709. The next prime is 49378751. The reversal of 49378743 is 34787394.

It is a happy number.

It is not a de Polignac number, because 49378743 - 2¹⁰ = 49377719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49378543) 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 11 ways as a sum of consecutive naturals, for example, 20458 + ... + 22743.

Almost surely, 2^49378743 is an apocalyptic number.

49378743 is a deficient number, since it is larger than the sum of its proper divisors (22509385).

49378743 is a wasteful number, since it uses less digits than its factorization.

49378743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43334 (or 43331 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 49378743 is about 7027.0009961576. Note that the first 3 decimals coincide. The cubic root of 49378743 is about 366.8709661288.

The spelling of 49378743 in words is "forty-nine million, three hundred seventy-eight thousand, seven hundred forty-three".