49344721 has 2 divisors, whose sum is σ = 49344722. Its totient is φ = 49344720.

The previous prime is 49344719. The next prime is 49344731. The reversal of 49344721 is 12744394.

It is a happy number.

49344721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32901696 + 16443025 = 5736^2 + 4055^2 .

It is a cyclic number.

It is not a de Polignac number, because 49344721 - 2¹ = 49344719 is a prime.

Together with 49344719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49344731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24672360 + 24672361.

It is an arithmetic number, because the mean of its divisors is an integer number (24672361).

Almost surely, 2^49344721 is an apocalyptic number.

It is an amenable number.

49344721 is a deficient number, since it is larger than the sum of its proper divisors (1).

49344721 is an equidigital number, since it uses as much as digits as its factorization.

49344721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 49344721 is about 7024.5797739082. The cubic root of 49344721 is about 366.7866886241.

The spelling of 49344721 in words is "forty-nine million, three hundred forty-four thousand, seven hundred twenty-one".