63050721 has 16 divisors (see below), whose sum is σ = 88684800. Its totient is φ = 39734928.

The previous prime is 63050719. The next prime is 63050731. The reversal of 63050721 is 12705036.

It is not a de Polignac number, because 63050721 - 2¹ = 63050719 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 63050691 and 63050700.

It is not an unprimeable number, because it can be changed into a prime (63050731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34390 + ... + 36176.

It is an arithmetic number, because the mean of its divisors is an integer number (5542800).

Almost surely, 2^63050721 is an apocalyptic number.

It is an amenable number.

63050721 is a deficient number, since it is larger than the sum of its proper divisors (25634079).

63050721 is a wasteful number, since it uses less digits than its factorization.

63050721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 63050721 is about 7940.4484130306. The cubic root of 63050721 is about 398.0124761457.

Adding to 63050721 its reverse (12705036), we get a palindrome (75755757).

The spelling of 63050721 in words is "sixty-three million, fifty thousand, seven hundred twenty-one".