68746142 has 16 divisors (see below), whose sum is σ = 109104000. Its totient is φ = 32396760.

The previous prime is 68746129. The next prime is 68746157. The reversal of 68746142 is 24164786.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 68746096 and 68746105.

It is a congruent number.

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, 3017 + ... + 12107.

It is an arithmetic number, because the mean of its divisors is an integer number (6819000).

Almost surely, 2^68746142 is an apocalyptic number.

68746142 is a deficient number, since it is larger than the sum of its proper divisors (40357858).

68746142 is a wasteful number, since it uses less digits than its factorization.

68746142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311.

The product of its digits is 64512, while the sum is 38.

The square root of 68746142 is about 8291.3293264711. The cubic root of 68746142 is about 409.6529722686.

The spelling of 68746142 in words is "sixty-eight million, seven hundred forty-six thousand, one hundred forty-two".