63073073 has 4 divisors (see below), whose sum is σ = 72083520. Its totient is φ = 54062628.

The previous prime is 63073067. The next prime is 63073079. The reversal of 63073073 is 37037036.

63073073 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 an interprime number because it is at equal distance from previous prime (63073067) and next prime (63073079).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63073073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63073079) 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, 4505213 + ... + 4505226.

It is an arithmetic number, because the mean of its divisors is an integer number (18020880).

Almost surely, 2^63073073 is an apocalyptic number.

It is an amenable number.

63073073 is a deficient number, since it is larger than the sum of its proper divisors (9010447).

63073073 is an equidigital number, since it uses as much as digits as its factorization.

63073073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010446.

The product of its (nonzero) digits is 7938, while the sum is 29.

The square root of 63073073 is about 7941.8557654996. The cubic root of 63073073 is about 398.0595034895.

The spelling of 63073073 in words is "sixty-three million, seventy-three thousand, seventy-three".