63722149 has 4 divisors (see below), whose sum is σ = 63833164. Its totient is φ = 63611136.

The previous prime is 63722129. The next prime is 63722179. The reversal of 63722149 is 94122736.

63722149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58033924 + 5688225 = 7618^2 + 2385^2 .

It is a cyclic number.

It is not a de Polignac number, because 63722149 - 2⁵ = 63722117 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 (63722129) 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 3 ways as a sum of consecutive naturals, for example, 54642 + ... + 55795.

It is an arithmetic number, because the mean of its divisors is an integer number (15958291).

Almost surely, 2^63722149 is an apocalyptic number.

It is an amenable number.

63722149 is a deficient number, since it is larger than the sum of its proper divisors (111015).

63722149 is a wasteful number, since it uses less digits than its factorization.

63722149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111014.

The product of its digits is 18144, while the sum is 34.

The square root of 63722149 is about 7982.6154235313. The cubic root of 63722149 is about 399.4203040373.

The spelling of 63722149 in words is "sixty-three million, seven hundred twenty-two thousand, one hundred forty-nine".