73291225769 has 4 divisors (see below), whose sum is σ = 73312009344. Its totient is φ = 73270442196.

The previous prime is 73291225751. The next prime is 73291225781. The reversal of 73291225769 is 96752219237.

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 a cyclic number.

It is not a de Polignac number, because 73291225769 - 2¹⁶ = 73291160233 is a prime.

It is a super-2 number, since 2×73291225769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73291225769.

It is not an unprimeable number, because it can be changed into a prime (73291221769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10386497 + ... + 10393550.

It is an arithmetic number, because the mean of its divisors is an integer number (18328002336).

Almost surely, 2^73291225769 is an apocalyptic number.

It is an amenable number.

73291225769 is a deficient number, since it is larger than the sum of its proper divisors (20783575).

73291225769 is a wasteful number, since it uses less digits than its factorization.

73291225769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20783574.

The product of its digits is 2857680, while the sum is 53.

The spelling of 73291225769 in words is "seventy-three billion, two hundred ninety-one million, two hundred twenty-five thousand, seven hundred sixty-nine".