68817430 has 48 divisors (see below), whose sum is σ = 142701264. Its totient is φ = 23693760.

The previous prime is 68817409. The next prime is 68817433. The reversal of 68817430 is 3471886.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68817430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68817433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38844 + ... + 40576.

It is an arithmetic number, because the mean of its divisors is an integer number (2972943).

Almost surely, 2^68817430 is an apocalyptic number.

68817430 is an abundant number, since it is smaller than the sum of its proper divisors (73883834).

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

68817430 is a wasteful number, since it uses less digits than its factorization.

68817430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 68817430 is about 8295.6271613423. The cubic root of 68817430 is about 409.7945232545.

The spelling of 68817430 in words is "sixty-eight million, eight hundred seventeen thousand, four hundred thirty".