72001104140 has 24 divisors (see below), whose sum is σ = 172802650272. Its totient is φ = 24686092800.

The previous prime is 72001104113. The next prime is 72001104179. The reversal of 72001104140 is 4140110027.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257146661 + ... + 257146940.

It is an arithmetic number, because the mean of its divisors is an integer number (7200110428).

Almost surely, 2^72001104140 is an apocalyptic number.

72001104140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72001104140 is an abundant number, since it is smaller than the sum of its proper divisors (100801546132).

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

72001104140 is a wasteful number, since it uses less digits than its factorization.

72001104140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514293617 (or 514293615 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 72001104140 its reverse (4140110027), we get a palindrome (76141214167).

The spelling of 72001104140 in words is "seventy-two billion, one million, one hundred four thousand, one hundred forty".