72927445560 has 128 divisors (see below), whose sum is σ = 220080775680. Its totient is φ = 19332177408.

The previous prime is 72927445559. The next prime is 72927445607. The reversal of 72927445560 is 6554472927.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22416894 + ... + 22420146.

It is an arithmetic number, because the mean of its divisors is an integer number (1719381060).

Almost surely, 2^72927445560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72927445560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110040387840).

72927445560 is an abundant number, since it is smaller than the sum of its proper divisors (147153330120).

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

72927445560 is a wasteful number, since it uses less digits than its factorization.

72927445560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317 (or 4313 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 72927445560 in words is "seventy-two billion, nine hundred twenty-seven million, four hundred forty-five thousand, five hundred sixty".