68091442 has 16 divisors (see below), whose sum is σ = 103384512. Its totient is φ = 33632560.

The previous prime is 68091377. The next prime is 68091451. The reversal of 68091442 is 24419086.

It is a junction number, because it is equal to n+sod(n) for n = 68091398 and 68091407.

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, 76323 + ... + 77209.

It is an arithmetic number, because the mean of its divisors is an integer number (6461532).

Almost surely, 2^68091442 is an apocalyptic number.

68091442 is a deficient number, since it is larger than the sum of its proper divisors (35293070).

68091442 is a wasteful number, since it uses less digits than its factorization.

68091442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 68091442 is about 8251.7538741773. The cubic root of 68091442 is about 408.3483864320.

The spelling of 68091442 in words is "sixty-eight million, ninety-one thousand, four hundred forty-two".