68568438 has 16 divisors (see below), whose sum is σ = 137405376. Its totient is φ = 22811400.

The previous prime is 68568421. The next prime is 68568449. The reversal of 68568438 is 83486586.

It is a Curzon 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, 7788 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (8587836).

Almost surely, 2^68568438 is an apocalyptic number.

68568438 is an abundant number, since it is smaller than the sum of its proper divisors (68836938).

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

68568438 is a wasteful number, since it uses less digits than its factorization.

68568438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22379.

The product of its digits is 1105920, while the sum is 48.

The square root of 68568438 is about 8280.6061372342. The cubic root of 68568438 is about 409.2996928702.

It can be divided in two parts, 68568 and 438, that added together give a triangular number (69006 = T₃₇₁).

The spelling of 68568438 in words is "sixty-eight million, five hundred sixty-eight thousand, four hundred thirty-eight".