72108556801 has 8 divisors (see below), whose sum is σ = 72498705408. Its totient is φ = 71718540000.

The previous prime is 72108556763. The next prime is 72108556823. The reversal of 72108556801 is 10865580127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72108556801 - 2⁷ = 72108556673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72108556831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185276 + ... + 1244626.

It is an arithmetic number, because the mean of its divisors is an integer number (9062338176).

Almost surely, 2^72108556801 is an apocalyptic number.

It is an amenable number.

72108556801 is a deficient number, since it is larger than the sum of its proper divisors (390148607).

72108556801 is a wasteful number, since it uses less digits than its factorization.

72108556801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65903.

The product of its (nonzero) digits is 134400, while the sum is 43.

The spelling of 72108556801 in words is "seventy-two billion, one hundred eight million, five hundred fifty-six thousand, eight hundred one".