63275973 has 4 divisors (see below), whose sum is σ = 84367968. Its totient is φ = 42183980.

The previous prime is 63275969. The next prime is 63275983. The reversal of 63275973 is 37957236.

It is a happy number.

63275973 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63275973 - 2² = 63275969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63275903) 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, 10545993 + ... + 10545998.

It is an arithmetic number, because the mean of its divisors is an integer number (21091992).

Almost surely, 2^63275973 is an apocalyptic number.

It is an amenable number.

63275973 is a deficient number, since it is larger than the sum of its proper divisors (21091995).

63275973 is a wasteful number, since it uses less digits than its factorization.

63275973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21091994.

The product of its digits is 238140, while the sum is 42.

The square root of 63275973 is about 7954.6196012129. The cubic root of 63275973 is about 398.4858862975.

The spelling of 63275973 in words is "sixty-three million, two hundred seventy-five thousand, nine hundred seventy-three".