68781192 has 32 divisors (see below), whose sum is σ = 174134400. Its totient is φ = 22636224.

The previous prime is 68781173. The next prime is 68781199. The reversal of 68781192 is 29118786.

It is not an unprimeable number, because it can be changed into a prime (68781199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16243 + ... + 20034.

It is an arithmetic number, because the mean of its divisors is an integer number (5441700).

Almost surely, 2^68781192 is an apocalyptic number.

It is an amenable number.

68781192 is an abundant number, since it is smaller than the sum of its proper divisors (105353208).

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

68781192 is a wasteful number, since it uses less digits than its factorization.

68781192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36365 (or 36361 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 68781192 is about 8293.4427109615. The cubic root of 68781192 is about 409.7225805247.

The spelling of 68781192 in words is "sixty-eight million, seven hundred eighty-one thousand, one hundred ninety-two".