72622538675328 has 128 divisors (see below), whose sum is σ = 201539566281600. Its totient is φ = 23126388285440.

The previous prime is 72622538675227. The next prime is 72622538675341. The reversal of 72622538675328 is 82357683522627.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×72622538675328² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2063098 + ... + 12227078.

It is an arithmetic number, because the mean of its divisors is an integer number (1574527861575).

Almost surely, 2^{72622538675328} 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 72622538675328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100769783140800).

72622538675328 is an abundant number, since it is smaller than the sum of its proper divisors (128917027606272).

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

72622538675328 is a wasteful number, since it uses less digits than its factorization.

72622538675328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10164830 (or 10164818 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 66.

The spelling of 72622538675328 in words is "seventy-two trillion, six hundred twenty-two billion, five hundred thirty-eight million, six hundred seventy-five thousand, three hundred twenty-eight".