72773867088 has 120 divisors (see below), whose sum is σ = 224682155880. Its totient is φ = 21845790720.

The previous prime is 72773867077. The next prime is 72773867147. The reversal of 72773867088 is 88076837727.

It can be written as a sum of positive squares in 4 ways, for example, as 1414361664 + 71359505424 = 37608^2 + 267132^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397333 + ... + 550836.

It is an arithmetic number, because the mean of its divisors is an integer number (1872351299).

Almost surely, 2^72773867088 is an apocalyptic number.

72773867088 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

72773867088 is an abundant number, since it is smaller than the sum of its proper divisors (151908288792).

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

72773867088 is a wasteful number, since it uses less digits than its factorization.

72773867088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948237 (or 948228 counting only the distinct ones).

The product of its (nonzero) digits is 44255232, while the sum is 63.

The spelling of 72773867088 in words is "seventy-two billion, seven hundred seventy-three million, eight hundred sixty-seven thousand, eighty-eight".