68645796 has 24 divisors (see below), whose sum is σ = 169596000. Its totient is φ = 21535872.

The previous prime is 68645791. The next prime is 68645807. The reversal of 68645796 is 69754686.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (68645791) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 168046 + ... + 168453.

It is an arithmetic number, because the mean of its divisors is an integer number (7066500).

Almost surely, 2^68645796 is an apocalyptic number.

It is an amenable number.

68645796 is an abundant number, since it is smaller than the sum of its proper divisors (100950204).

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

68645796 is a wasteful number, since it uses less digits than its factorization.

68645796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336523 (or 336521 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 68645796 is about 8285.2758553955. The cubic root of 68645796 is about 409.4535571792.

The spelling of 68645796 in words is "sixty-eight million, six hundred forty-five thousand, seven hundred ninety-six".