68810442 has 32 divisors (see below), whose sum is σ = 140216832. Its totient is φ = 22508544.

The previous prime is 68810429. The next prime is 68810453. The reversal of 68810442 is 24401886.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79303 + ... + 80165.

It is an arithmetic number, because the mean of its divisors is an integer number (4381776).

Almost surely, 2^68810442 is an apocalyptic number.

68810442 is an abundant number, since it is smaller than the sum of its proper divisors (71406390).

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

68810442 is a wasteful number, since it uses less digits than its factorization.

68810442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 68810442 is about 8295.2059648932. The cubic root of 68810442 is about 409.7806520542.

The spelling of 68810442 in words is "sixty-eight million, eight hundred ten thousand, four hundred forty-two".