68064894 has 16 divisors (see below), whose sum is σ = 151255440. Its totient is φ = 22688280.

The previous prime is 68064881. The next prime is 68064917. The reversal of 68064894 is 49846086.

It is a happy number.

It is a congruent number.

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, 630177 + ... + 630284.

It is an arithmetic number, because the mean of its divisors is an integer number (9453465).

Almost surely, 2^68064894 is an apocalyptic number.

68064894 is an abundant number, since it is smaller than the sum of its proper divisors (83190546).

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

68064894 is a wasteful number, since it uses less digits than its factorization.

68064894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260472 (or 1260466 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 68064894 is about 8250.1450896333. The cubic root of 68064894 is about 408.2953095604.

The spelling of 68064894 in words is "sixty-eight million, sixty-four thousand, eight hundred ninety-four".