68745430 has 16 divisors (see below), whose sum is σ = 133260624. Its totient is φ = 25382880.

The previous prime is 68745427. The next prime is 68745431. The reversal of 68745430 is 3454786.

It is a self number, because there is not a number n which added to its sum of digits gives 68745430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68745431) 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, 264276 + ... + 264535.

It is an arithmetic number, because the mean of its divisors is an integer number (8328789).

Almost surely, 2^68745430 is an apocalyptic number.

68745430 is a deficient number, since it is larger than the sum of its proper divisors (64515194).

68745430 is a wasteful number, since it uses less digits than its factorization.

68745430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528831.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 68745430 is about 8291.2863899397. The cubic root of 68745430 is about 409.6515580126.

The spelling of 68745430 in words is "sixty-eight million, seven hundred forty-five thousand, four hundred thirty".