73105303250 has 64 divisors (see below), whose sum is σ = 157597989120. Its totient is φ = 24873264000.

The previous prime is 73105303247. The next prime is 73105303261. The reversal of 73105303250 is 5230350137.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69806 + ... + 388694.

It is an arithmetic number, because the mean of its divisors is an integer number (2462468580).

Almost surely, 2^73105303250 is an apocalyptic number.

73105303250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73105303250 is an abundant number, since it is smaller than the sum of its proper divisors (84492685870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73105303250 is a wasteful number, since it uses less digits than its factorization.

73105303250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319044 (or 319034 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 29.

Adding to 73105303250 its reverse (5230350137), we get a palindrome (78335653387).

The spelling of 73105303250 in words is "seventy-three billion, one hundred five million, three hundred three thousand, two hundred fifty".