68068880 has 40 divisors (see below), whose sum is σ = 172649664. Its totient is φ = 24752000.

The previous prime is 68068879. The next prime is 68068883. The reversal of 68068880 is 8886086.

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

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (68068883) 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, 37796 + ... + 39555.

Almost surely, 2^68068880 is an apocalyptic number.

It is an amenable number.

68068880 is an abundant number, since it is smaller than the sum of its proper divisors (104580784).

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

68068880 is a wasteful number, since it uses less digits than its factorization.

68068880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77375 (or 77369 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 68068880 is about 8250.3866576058. The cubic root of 68068880 is about 408.3032795688.

The spelling of 68068880 in words is "sixty-eight million, sixty-eight thousand, eight hundred eighty".