68877142 has 8 divisors (see below), whose sum is σ = 105718536. Its totient is φ = 33637632.

The previous prime is 68877121. The next prime is 68877143. The reversal of 68877142 is 24177886.

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

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68877143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400363 + ... + 400534.

It is an arithmetic number, because the mean of its divisors is an integer number (13214817).

Almost surely, 2^68877142 is an apocalyptic number.

68877142 is a deficient number, since it is larger than the sum of its proper divisors (36841394).

68877142 is a wasteful number, since it uses less digits than its factorization.

68877142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800942.

The product of its digits is 150528, while the sum is 43.

The square root of 68877142 is about 8299.2253855405. The cubic root of 68877142 is about 409.9130134715.

The spelling of 68877142 in words is "sixty-eight million, eight hundred seventy-seven thousand, one hundred forty-two".