68438914 has 4 divisors (see below), whose sum is σ = 102658374. Its totient is φ = 34219456.

The previous prime is 68438899. The next prime is 68438933. The reversal of 68438914 is 41983486.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51768025 + 16670889 = 7195^2 + 4083^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17109727 + ... + 17109730.

Almost surely, 2^68438914 is an apocalyptic number.

68438914 is a deficient number, since it is larger than the sum of its proper divisors (34219460).

68438914 is a wasteful number, since it uses less digits than its factorization.

68438914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34219459.

The product of its digits is 165888, while the sum is 43.

The square root of 68438914 is about 8272.7815153067. The cubic root of 68438914 is about 409.0418115922.

The spelling of 68438914 in words is "sixty-eight million, four hundred thirty-eight thousand, nine hundred fourteen".