49673691 has 6 divisors (see below), whose sum is σ = 71750900. Its totient is φ = 33115788.

The previous prime is 49673683. The next prime is 49673713. The reversal of 49673691 is 19637694.

49673691 is a `hidden beast` number, since 496 + 73 + 6 + 91 = 666.

It is not a de Polignac number, because 49673691 - 2³ = 49673683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49673621) 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 5 ways as a sum of consecutive naturals, for example, 2759641 + ... + 2759658.

Almost surely, 2^49673691 is an apocalyptic number.

49673691 is a deficient number, since it is larger than the sum of its proper divisors (22077209).

49673691 is a wasteful number, since it uses less digits than its factorization.

49673691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519305 (or 5519302 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 49673691 is about 7047.9565123516. The cubic root of 49673691 is about 367.5999783517.

The spelling of 49673691 in words is "forty-nine million, six hundred seventy-three thousand, six hundred ninety-one".