49872668 has 6 divisors (see below), whose sum is σ = 87277176. Its totient is φ = 24936332.

The previous prime is 49872661. The next prime is 49872737. The reversal of 49872668 is 86627894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49872661) 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 as a sum of consecutive naturals, namely, 6234080 + ... + 6234087.

It is an arithmetic number, because the mean of its divisors is an integer number (14546196).

Almost surely, 2^49872668 is an apocalyptic number.

It is an amenable number.

49872668 is a deficient number, since it is larger than the sum of its proper divisors (37404508).

49872668 is a wasteful number, since it uses less digits than its factorization.

49872668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12468171 (or 12468169 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 49872668 is about 7062.0583401725. The cubic root of 49872668 is about 368.0901539517.

The spelling of 49872668 in words is "forty-nine million, eight hundred seventy-two thousand, six hundred sixty-eight".