72622268832 has 48 divisors (see below), whose sum is σ = 194689498752. Its totient is φ = 23692369920.

The previous prime is 72622268819. The next prime is 72622268869. The reversal of 72622268832 is 23886222627.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8043169 + ... + 8052192.

It is an arithmetic number, because the mean of its divisors is an integer number (4056031224).

Almost surely, 2^72622268832 is an apocalyptic number.

It is an amenable number.

72622268832 is an abundant number, since it is smaller than the sum of its proper divisors (122067229920).

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

72622268832 is a wasteful number, since it uses less digits than its factorization.

72622268832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16095421 (or 16095413 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The spelling of 72622268832 in words is "seventy-two billion, six hundred twenty-two million, two hundred sixty-eight thousand, eight hundred thirty-two".