68000068 has 24 divisors (see below), whose sum is σ = 127260504. Its totient is φ = 31680000.

The previous prime is 68000047. The next prime is 68000077. The reversal of 68000068 is 86000086.

It can be written as a sum of positive squares in 4 ways, for example, as 55383364 + 12616704 = 7442^2 + 3552^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1918 + ... + 11818.

It is an arithmetic number, because the mean of its divisors is an integer number (5302521).

Almost surely, 2^68000068 is an apocalyptic number.

68000068 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68000068 is a deficient number, since it is larger than the sum of its proper divisors (59260436).

68000068 is a wasteful number, since it uses less digits than its factorization.

68000068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023 (or 10021 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 68000068 is about 8246.2153743399. The cubic root of 68000068 is about 408.1656462469.

It can be divided in two parts, 680000 and 68, that multiplied together give a square (46240000 = 6800²).

The spelling of 68000068 in words is "sixty-eight million, sixty-eight", and thus it is an aban number and an uban number.