68969764 has 24 divisors (see below), whose sum is σ = 124030368. Its totient is φ = 33539520.

The previous prime is 68969741. The next prime is 68969767. The reversal of 68969764 is 46796986.

It is not an unprimeable number, because it can be changed into a prime (68969767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47619 + ... + 49045.

It is an arithmetic number, because the mean of its divisors is an integer number (5167932).

Almost surely, 2^68969764 is an apocalyptic number.

It is an amenable number.

68969764 is a deficient number, since it is larger than the sum of its proper divisors (55060604).

68969764 is a wasteful number, since it uses less digits than its factorization.

68969764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1753 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 55.

The square root of 68969764 is about 8304.8036701658. The cubic root of 68969764 is about 410.0966736145.

The spelling of 68969764 in words is "sixty-eight million, nine hundred sixty-nine thousand, seven hundred sixty-four".