68068810 has 12 divisors (see below), whose sum is σ = 122570838. Its totient is φ = 27217088.

The previous prime is 68068807. The next prime is 68068823. The reversal of 68068810 is 1886086.

It can be written as a sum of positive squares in 3 ways, for example, as 53392249 + 14676561 = 7307^2 + 3831^2 .

It is a super-2 number, since 2×68068810² = 9266725789632200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68068810.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24786 + ... + 27394.

Almost surely, 2^68068810 is an apocalyptic number.

68068810 is a deficient number, since it is larger than the sum of its proper divisors (54502028).

68068810 is an frugal number, since it uses more digits than its factorization.

68068810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225 (or 2616 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 68068810 is about 8250.3824153793. The cubic root of 68068810 is about 408.3031396065.

The spelling of 68068810 in words is "sixty-eight million, sixty-eight thousand, eight hundred ten".