68265813 has 32 divisors (see below), whose sum is σ = 117153792. Its totient is φ = 34315200.

The previous prime is 68265793. The next prime is 68265823. The reversal of 68265813 is 31856286.

It is a happy number.

It is not a de Polignac number, because 68265813 - 2¹³ = 68257621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68265823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2395 + ... + 11927.

It is an arithmetic number, because the mean of its divisors is an integer number (3661056).

Almost surely, 2^68265813 is an apocalyptic number.

It is an amenable number.

68265813 is a deficient number, since it is larger than the sum of its proper divisors (48887979).

68265813 is a wasteful number, since it uses less digits than its factorization.

68265813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9585.

The product of its digits is 69120, while the sum is 39.

The square root of 68265813 is about 8262.3128117979. The cubic root of 68265813 is about 408.6966603611.

The spelling of 68265813 in words is "sixty-eight million, two hundred sixty-five thousand, eight hundred thirteen".