68581342 has 4 divisors (see below), whose sum is σ = 102872016. Its totient is φ = 34290670.

The previous prime is 68581339. The next prime is 68581343. The reversal of 68581342 is 24318586.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68581343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17145334 + ... + 17145337.

It is an arithmetic number, because the mean of its divisors is an integer number (25718004).

Almost surely, 2^68581342 is an apocalyptic number.

68581342 is a deficient number, since it is larger than the sum of its proper divisors (34290674).

68581342 is a wasteful number, since it uses less digits than its factorization.

68581342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34290673.

The product of its digits is 46080, while the sum is 37.

The square root of 68581342 is about 8281.3852705933. The cubic root of 68581342 is about 409.3253668397.

The spelling of 68581342 in words is "sixty-eight million, five hundred eighty-one thousand, three hundred forty-two".