49772718 has 48 divisors (see below), whose sum is σ = 114266880. Its totient is φ = 16230456.

The previous prime is 49772717. The next prime is 49772731. The reversal of 49772718 is 81727794.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49772717) 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 23 ways as a sum of consecutive naturals, for example, 21753 + ... + 23931.

It is an arithmetic number, because the mean of its divisors is an integer number (2380560).

Almost surely, 2^49772718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49772718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57133440).

49772718 is an abundant number, since it is smaller than the sum of its proper divisors (64494162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49772718 is a wasteful number, since it uses less digits than its factorization.

49772718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243 (or 2231 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The square root of 49772718 is about 7054.9782423477. The cubic root of 49772718 is about 367.8440925506.

The spelling of 49772718 in words is "forty-nine million, seven hundred seventy-two thousand, seven hundred eighteen".