68251426 has 16 divisors (see below), whose sum is σ = 106125696. Its totient is φ = 32898096.

The previous prime is 68251399. The next prime is 68251427. The reversal of 68251426 is 62415286.

It is a junction number, because it is equal to n+sod(n) for n = 68251391 and 68251400.

It is not an unprimeable number, because it can be changed into a prime (68251427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880 + ... + 11716.

It is an arithmetic number, because the mean of its divisors is an integer number (6632856).

Almost surely, 2^68251426 is an apocalyptic number.

68251426 is a deficient number, since it is larger than the sum of its proper divisors (37874270).

68251426 is a wasteful number, since it uses less digits than its factorization.

68251426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10953.

The product of its digits is 23040, while the sum is 34.

The square root of 68251426 is about 8261.4421259245. The cubic root of 68251426 is about 408.6679474436.

The spelling of 68251426 in words is "sixty-eight million, two hundred fifty-one thousand, four hundred twenty-six".