49749772 has 12 divisors (see below), whose sum is σ = 87924816. Its totient is φ = 24628400.

The previous prime is 49749751. The next prime is 49749773. The reversal of 49749772 is 27794794.

It is not an unprimeable number, because it can be changed into a prime (49749773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61168 + ... + 61975.

It is an arithmetic number, because the mean of its divisors is an integer number (7327068).

Almost surely, 2^49749772 is an apocalyptic number.

It is an amenable number.

49749772 is a deficient number, since it is larger than the sum of its proper divisors (38175044).

49749772 is a wasteful number, since it uses less digits than its factorization.

49749772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123248 (or 123246 counting only the distinct ones).

The product of its digits is 889056, while the sum is 49.

The square root of 49749772 is about 7053.3518273230. The cubic root of 49749772 is about 367.7875565720.

The spelling of 49749772 in words is "forty-nine million, seven hundred forty-nine thousand, seven hundred seventy-two".