68908716 has 18 divisors (see below), whose sum is σ = 174186012. Its totient is φ = 22969560.

The previous prime is 68908663. The next prime is 68908717. The reversal of 68908716 is 61780986.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×68908716² = 9496822281537312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68908717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 957030 + ... + 957101.

Almost surely, 2^68908716 is an apocalyptic number.

It is an amenable number.

68908716 is an abundant number, since it is smaller than the sum of its proper divisors (105277296).

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

68908716 is a wasteful number, since it uses less digits than its factorization.

68908716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914141 (or 1914136 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 68908716 is about 8301.1273933123. The cubic root of 68908716 is about 409.9756400359.

The spelling of 68908716 in words is "sixty-eight million, nine hundred eight thousand, seven hundred sixteen".