63344749 has 24 divisors (see below), whose sum is σ = 72099072. Its totient is φ = 55560960.

The previous prime is 63344741. The next prime is 63344761. The reversal of 63344749 is 94744336.

63344749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63344749 - 2³ = 63344741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63344741) 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 in 23 ways as a sum of consecutive naturals, for example, 560517 + ... + 560629.

It is an arithmetic number, because the mean of its divisors is an integer number (3004128).

Almost surely, 2^63344749 is an apocalyptic number.

It is an amenable number.

63344749 is a deficient number, since it is larger than the sum of its proper divisors (8754323).

63344749 is a wasteful number, since it uses less digits than its factorization.

63344749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 264 counting only the distinct ones).

The product of its digits is 217728, while the sum is 40.

The square root of 63344749 is about 7958.9414497155. The cubic root of 63344749 is about 398.6302082812.

The spelling of 63344749 in words is "sixty-three million, three hundred forty-four thousand, seven hundred forty-nine".