72906048000 has 640 divisors, whose sum is σ = 278219335680. Its totient is φ = 18800640000.

The previous prime is 72906047957. The next prime is 72906048029. The reversal of 72906048000 is 84060927.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53567320 + ... + 53568680.

It is an arithmetic number, because the mean of its divisors is an integer number (434717712).

Almost surely, 2^72906048000 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 72906048000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139109667840).

72906048000 is an abundant number, since it is smaller than the sum of its proper divisors (205313287680).

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

72906048000 is a wasteful number, since it uses less digits than its factorization.

72906048000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 72906048000 in words is "seventy-two billion, nine hundred six million, forty-eight thousand".