68807142 has 12 divisors (see below), whose sum is σ = 149082180. Its totient is φ = 22935708.

The previous prime is 68807119. The next prime is 68807153. The reversal of 68807142 is 24170886.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68807097 and 68807106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1911292 + ... + 1911327.

It is an arithmetic number, because the mean of its divisors is an integer number (12423515).

Almost surely, 2^68807142 is an apocalyptic number.

68807142 is an abundant number, since it is smaller than the sum of its proper divisors (80275038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68807142 is a wasteful number, since it uses less digits than its factorization.

68807142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822627 (or 3822624 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 68807142 is about 8295.0070524382. The cubic root of 68807142 is about 409.7741012181.

The spelling of 68807142 in words is "sixty-eight million, eight hundred seven thousand, one hundred forty-two".