815068 has 6 divisors (see below), whose sum is σ = 1426376. Its totient is φ = 407532.
The previous prime is 815063. The next prime is 815123. The reversal of 815068 is 860518.
It is a happy number.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (815063) by changing a digit.
815068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101880 + ... + 101887.
2815068 is an apocalyptic number.
It is an amenable number.
815068 is a deficient number, since it is larger than the sum of its proper divisors (611308).
815068 is a wasteful number, since it uses less digits than its factorization.
815068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203771 (or 203769 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 28.
The square root of 815068 is about 902.8111651946. The cubic root of 815068 is about 93.4109841316.
The spelling of 815068 in words is "eight hundred fifteen thousand, sixty-eight".
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