73369122728 has 16 divisors (see below), whose sum is σ = 150073205760. Its totient is φ = 33349601200.

The previous prime is 73369122719. The next prime is 73369122769. The reversal of 73369122728 is 82722196337.

It is a happy number.

It is a super-3 number, since 3×73369122728³ (a number of 34 digits) contains 333 as substring.

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, 416869928 + ... + 416870103.

It is an arithmetic number, because the mean of its divisors is an integer number (9379575360).

Almost surely, 2^73369122728 is an apocalyptic number.

It is an amenable number.

73369122728 is an abundant number, since it is smaller than the sum of its proper divisors (76704083032).

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

73369122728 is a wasteful number, since it uses less digits than its factorization.

73369122728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833740048 (or 833740044 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The spelling of 73369122728 in words is "seventy-three billion, three hundred sixty-nine million, one hundred twenty-two thousand, seven hundred twenty-eight".