68303960 has 32 divisors (see below), whose sum is σ = 162725760. Its totient is φ = 25714176.

The previous prime is 68303959. The next prime is 68303969. The reversal of 68303960 is 6930386.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68303960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68303969) 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, 49544 + ... + 50903.

It is an arithmetic number, because the mean of its divisors is an integer number (5085180).

Almost surely, 2^68303960 is an apocalyptic number.

It is an amenable number.

68303960 is an abundant number, since it is smaller than the sum of its proper divisors (94421800).

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

68303960 is a wasteful number, since it uses less digits than its factorization.

68303960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100475 (or 100471 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 68303960 is about 8264.6209834450. The cubic root of 68303960 is about 408.7727728773.

The spelling of 68303960 in words is "sixty-eight million, three hundred three thousand, nine hundred sixty".