68434764 has 12 divisors (see below), whose sum is σ = 159681144. Its totient is φ = 22811584.

The previous prime is 68434757. The next prime is 68434771. The reversal of 68434764 is 46743486.

It is an interprime number because it is at equal distance from previous prime (68434757) and next prime (68434771).

It is a tau number, because it is divible by the number of its divisors (12).

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, 2851437 + ... + 2851460.

It is an arithmetic number, because the mean of its divisors is an integer number (13306762).

Almost surely, 2^68434764 is an apocalyptic number.

It is an amenable number.

68434764 is an abundant number, since it is smaller than the sum of its proper divisors (91246380).

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

68434764 is a wasteful number, since it uses less digits than its factorization.

68434764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5702904 (or 5702902 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The square root of 68434764 is about 8272.5306889730. The cubic root of 68434764 is about 409.0335435971.

The spelling of 68434764 in words is "sixty-eight million, four hundred thirty-four thousand, seven hundred sixty-four".