63795021 has 8 divisors (see below), whose sum is σ = 85730304. Its totient is φ = 42194880.

The previous prime is 63795019. The next prime is 63795029. The reversal of 63795021 is 12059736.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63795021 - 2¹ = 63795019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63795029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83340 + ... + 84101.

It is an arithmetic number, because the mean of its divisors is an integer number (10716288).

Almost surely, 2^63795021 is an apocalyptic number.

It is an amenable number.

63795021 is a deficient number, since it is larger than the sum of its proper divisors (21935283).

63795021 is a wasteful number, since it uses less digits than its factorization.

63795021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167571.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 63795021 is about 7987.1785381322. The cubic root of 63795021 is about 399.5725036967.

The spelling of 63795021 in words is "sixty-three million, seven hundred ninety-five thousand, twenty-one".