63020071 has 4 divisors (see below), whose sum is σ = 66727152. Its totient is φ = 59312992.

The previous prime is 63020059. The next prime is 63020077. The reversal of 63020071 is 17002036.

63020071 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 is a cyclic number.

It is not a de Polignac number, because 63020071 - 2¹⁷ = 62888999 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 (63020077) 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, 1853515 + ... + 1853548.

It is an arithmetic number, because the mean of its divisors is an integer number (16681788).

Almost surely, 2^63020071 is an apocalyptic number.

63020071 is a deficient number, since it is larger than the sum of its proper divisors (3707081).

63020071 is a wasteful number, since it uses less digits than its factorization.

63020071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707080.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 63020071 is about 7938.5181866643. The cubic root of 63020071 is about 397.9479722063.

The spelling of 63020071 in words is "sixty-three million, twenty thousand, seventy-one".