68086426 has 8 divisors (see below), whose sum is σ = 102170484. Its totient is φ = 34029600.

The previous prime is 68086393. The next prime is 68086429. The reversal of 68086426 is 62468086.

It can be written as a sum of positive squares in 2 ways, for example, as 65367225 + 2719201 = 8085^2 + 1649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68086426² = 9271522810906952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68086429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446 + ... + 11758.

Almost surely, 2^68086426 is an apocalyptic number.

68086426 is a deficient number, since it is larger than the sum of its proper divisors (34084058).

68086426 is a wasteful number, since it uses less digits than its factorization.

68086426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13616.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 68086426 is about 8251.4499331936. The cubic root of 68086426 is about 408.3383591033.

The spelling of 68086426 in words is "sixty-eight million, eighty-six thousand, four hundred twenty-six".