68881042 has 16 divisors (see below), whose sum is σ = 115158240. Its totient is φ = 30708288.

The previous prime is 68881037. The next prime is 68881049. The reversal of 68881042 is 24018886.

It is a junction number, because it is equal to n+sod(n) for n = 68880992 and 68881010.

It is not an unprimeable number, because it can be changed into a prime (68881049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52668 + ... + 53959.

It is an arithmetic number, because the mean of its divisors is an integer number (7197390).

Almost surely, 2^68881042 is an apocalyptic number.

68881042 is a deficient number, since it is larger than the sum of its proper divisors (46277198).

68881042 is a wasteful number, since it uses less digits than its factorization.

68881042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106665.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 68881042 is about 8299.4603439019. The cubic root of 68881042 is about 409.9207501000.

The spelling of 68881042 in words is "sixty-eight million, eight hundred eighty-one thousand, forty-two".