73050225281 has 32 divisors (see below), whose sum is σ = 86219713920. Its totient is φ = 61166016000.

The previous prime is 73050225229. The next prime is 73050225289. The reversal of 73050225281 is 18252205037.

It is not a de Polignac number, because 73050225281 - 2¹⁸ = 73049963137 is a prime.

It is a super-2 number, since 2×73050225281² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73050225289) 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 31 ways as a sum of consecutive naturals, for example, 12810731 + ... + 12816431.

It is an arithmetic number, because the mean of its divisors is an integer number (2694366060).

Almost surely, 2^73050225281 is an apocalyptic number.

It is an amenable number.

73050225281 is a deficient number, since it is larger than the sum of its proper divisors (13169488639).

73050225281 is a wasteful number, since it uses less digits than its factorization.

73050225281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7425.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 73050225281 in words is "seventy-three billion, fifty million, two hundred twenty-five thousand, two hundred eighty-one".