68064680 has 16 divisors (see below), whose sum is σ = 153145620. Its totient is φ = 27225856.

The previous prime is 68064677. The next prime is 68064721. The reversal of 68064680 is 8646086.

It can be written as a sum of positive squares in 2 ways, for example, as 67207204 + 857476 = 8198^2 + 926^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850769 + ... + 850848.

Almost surely, 2^68064680 is an apocalyptic number.

It is an amenable number.

68064680 is an abundant number, since it is smaller than the sum of its proper divisors (85080940).

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

68064680 is a wasteful number, since it uses less digits than its factorization.

68064680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701628 (or 1701624 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 68064680 is about 8250.1321201542. The cubic root of 68064680 is about 408.2948816585.

The spelling of 68064680 in words is "sixty-eight million, sixty-four thousand, six hundred eighty".