68036880 has 40 divisors (see below), whose sum is σ = 210915072. Its totient is φ = 18143104.

The previous prime is 68036849. The next prime is 68036887. The reversal of 68036880 is 8863086.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (68036887) 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, 141504 + ... + 141983.

Almost surely, 2^68036880 is an apocalyptic number.

68036880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68036880 is an abundant number, since it is smaller than the sum of its proper divisors (142878192).

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

68036880 is a wasteful number, since it uses less digits than its factorization.

68036880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283503 (or 283497 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 68036880 is about 8248.4471265809. The cubic root of 68036880 is about 408.2392867773.

The spelling of 68036880 in words is "sixty-eight million, thirty-six thousand, eight hundred eighty".