72305627744 has 36 divisors (see below), whose sum is σ = 165592802844. Its totient is φ = 30988125504.

The previous prime is 72305627743. The next prime is 72305627813. The reversal of 72305627744 is 44772650327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72305627743) 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 5 ways as a sum of consecutive naturals, for example, 23055074 + ... + 23058209.

It is an arithmetic number, because the mean of its divisors is an integer number (4599800079).

Almost surely, 2^72305627744 is an apocalyptic number.

It is an amenable number.

72305627744 is an abundant number, since it is smaller than the sum of its proper divisors (93287175100).

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

72305627744 is a wasteful number, since it uses less digits than its factorization.

72305627744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46113307 (or 46113292 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 47.

The spelling of 72305627744 in words is "seventy-two billion, three hundred five million, six hundred twenty-seven thousand, seven hundred forty-four".