72108680 has 64 divisors (see below), whose sum is σ = 193501440. Its totient is φ = 23645952.

The previous prime is 72108677. The next prime is 72108719. The reversal of 72108680 is 8680127.

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, 842 + ... + 12038.

It is an arithmetic number, because the mean of its divisors is an integer number (3023460).

Almost surely, 2^72108680 is an apocalyptic number.

72108680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72108680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96750720).

72108680 is an abundant number, since it is smaller than the sum of its proper divisors (121392760).

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

72108680 is a wasteful number, since it uses less digits than its factorization.

72108680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11238 (or 11234 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 72108680 is about 8491.6829898437. The cubic root of 72108680 is about 416.2259774453.

The spelling of 72108680 in words is "seventy-two million, one hundred eight thousand, six hundred eighty".