68938824 has 16 divisors (see below), whose sum is σ = 172347120. Its totient is φ = 22979600.

The previous prime is 68938819. The next prime is 68938841. The reversal of 68938824 is 42883986.

It is a happy number.

It is a super-2 number, since 2×68938824² = 9505122909005952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436202 + ... + 1436249.

It is an arithmetic number, because the mean of its divisors is an integer number (10771695).

Almost surely, 2^68938824 is an apocalyptic number.

It is an amenable number.

68938824 is an abundant number, since it is smaller than the sum of its proper divisors (103408296).

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

68938824 is a wasteful number, since it uses less digits than its factorization.

68938824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872460 (or 2872456 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 68938824 is about 8302.9406838782. The cubic root of 68938824 is about 410.0353409949.

The spelling of 68938824 in words is "sixty-eight million, nine hundred thirty-eight thousand, eight hundred twenty-four".