73272377776 has 40 divisors (see below), whose sum is σ = 153238907360. Its totient is φ = 33739877376.

The previous prime is 73272377747. The next prime is 73272377779. The reversal of 73272377776 is 67777327237.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73272377776.

It is not an unprimeable number, because it can be changed into a prime (73272377779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316716 + ... + 496843.

It is an arithmetic number, because the mean of its divisors is an integer number (3830972684).

Almost surely, 2^73272377776 is an apocalyptic number.

It is an amenable number.

73272377776 is an abundant number, since it is smaller than the sum of its proper divisors (79966529584).

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

73272377776 is a wasteful number, since it uses less digits than its factorization.

73272377776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814013 (or 814007 counting only the distinct ones).

The product of its digits is 25412184, while the sum is 58.

The spelling of 73272377776 in words is "seventy-three billion, two hundred seventy-two million, three hundred seventy-seven thousand, seven hundred seventy-six".