73663128022 has 48 divisors (see below), whose sum is σ = 127909217520. Its totient is φ = 31705058880.

The previous prime is 73663127953. The next prime is 73663128023. The reversal of 73663128022 is 22082136637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73663128023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16904668 + ... + 16909024.

It is an arithmetic number, because the mean of its divisors is an integer number (2664775365).

Almost surely, 2^73663128022 is an apocalyptic number.

73663128022 is a deficient number, since it is larger than the sum of its proper divisors (54246089498).

73663128022 is a wasteful number, since it uses less digits than its factorization.

73663128022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077 (or 8066 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 73663128022 in words is "seventy-three billion, six hundred sixty-three million, one hundred twenty-eight thousand, twenty-two".