73454816688 has 80 divisors (see below), whose sum is σ = 207060556800. Its totient is φ = 22253495040.

The previous prime is 73454816683. The next prime is 73454816711. The reversal of 73454816688 is 88661845437.

It is a super-2 number, since 2×73454816688² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73454816683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434398 + ... + 2464386.

It is an arithmetic number, because the mean of its divisors is an integer number (2588256960).

Almost surely, 2^73454816688 is an apocalyptic number.

It is an amenable number.

73454816688 is an abundant number, since it is smaller than the sum of its proper divisors (133605740112).

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

73454816688 is a wasteful number, since it uses less digits than its factorization.

73454816688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34650 (or 34644 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 60.

The spelling of 73454816688 in words is "seventy-three billion, four hundred fifty-four million, eight hundred sixteen thousand, six hundred eighty-eight".