73255236672 has 56 divisors (see below), whose sum is σ = 193841030656. Its totient is φ = 24415907328.

The previous prime is 73255236671. The next prime is 73255236697. The reversal of 73255236672 is 27663255237.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (73255236671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3516078 + ... + 3536850.

It is an arithmetic number, because the mean of its divisors is an integer number (3461446976).

Almost surely, 2^73255236672 is an apocalyptic number.

It is an amenable number.

73255236672 is an abundant number, since it is smaller than the sum of its proper divisors (120585793984).

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

73255236672 is a wasteful number, since it uses less digits than its factorization.

73255236672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39155 (or 39145 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 48.

The spelling of 73255236672 in words is "seventy-three billion, two hundred fifty-five million, two hundred thirty-six thousand, six hundred seventy-two".