72447533827080 has 128 divisors (see below), whose sum is σ = 218038175308800. Its totient is φ = 19257606540032.

The previous prime is 72447533827033. The next prime is 72447533827091. The reversal of 72447533827080 is 8072833574427.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 49192051 + ... + 50643389.

It is an arithmetic number, because the mean of its divisors is an integer number (1703423244600).

Almost surely, 2^{72447533827080} is an apocalyptic number.

It is an amenable number.

72447533827080 is an abundant number, since it is smaller than the sum of its proper divisors (145590641481720).

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

72447533827080 is a wasteful number, since it uses less digits than its factorization.

72447533827080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452683 (or 1452679 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 60.

The spelling of 72447533827080 in words is "seventy-two trillion, four hundred forty-seven billion, five hundred thirty-three million, eight hundred twenty-seven thousand, eighty".