68685036 has 24 divisors (see below), whose sum is σ = 183160320. Its totient is φ = 19624272.

The previous prime is 68685017. The next prime is 68685037. The reversal of 68685036 is 63058686.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (68685037) 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, 408756 + ... + 408923.

It is an arithmetic number, because the mean of its divisors is an integer number (7631680).

Almost surely, 2^68685036 is an apocalyptic number.

It is an amenable number.

68685036 is an abundant number, since it is smaller than the sum of its proper divisors (114475284).

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

68685036 is a wasteful number, since it uses less digits than its factorization.

68685036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817693 (or 817691 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 68685036 is about 8287.6435734170. The cubic root of 68685036 is about 409.5315609708.

The spelling of 68685036 in words is "sixty-eight million, six hundred eighty-five thousand, thirty-six".