65720108 has 12 divisors (see below), whose sum is σ = 120010800. Its totient is φ = 31431312.

The previous prime is 65720071. The next prime is 65720117. The reversal of 65720108 is 80102756.

65720108 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

65720108 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357083 + ... + 357266.

It is an arithmetic number, because the mean of its divisors is an integer number (10000900).

Almost surely, 2^65720108 is an apocalyptic number.

It is an amenable number.

65720108 is a deficient number, since it is larger than the sum of its proper divisors (54290692).

65720108 is a wasteful number, since it uses less digits than its factorization.

65720108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714376 (or 714374 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 65720108 is about 8106.7939408869. The cubic root of 65720108 is about 403.5519245556.

The spelling of 65720108 in words is "sixty-five million, seven hundred twenty thousand, one hundred eight".