73250915228 has 12 divisors (see below), whose sum is σ = 128191288680. Its totient is φ = 36624832752.

The previous prime is 73250915197. The next prime is 73250915263. The reversal of 73250915228 is 82251905237.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195563 + ... + 429821.

It is an arithmetic number, because the mean of its divisors is an integer number (10682607390).

Almost surely, 2^73250915228 is an apocalyptic number.

It is an amenable number.

73250915228 is a deficient number, since it is larger than the sum of its proper divisors (54940373452).

73250915228 is a wasteful number, since it uses less digits than its factorization.

73250915228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312436 (or 312434 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

Subtracting 73250915228 from its reverse (82251905237), we obtain a palindrome (9000990009).

The spelling of 73250915228 in words is "seventy-three billion, two hundred fifty million, nine hundred fifteen thousand, two hundred twenty-eight".