68964130 has 16 divisors (see below), whose sum is σ = 126478584. Its totient is φ = 27064960.

The previous prime is 68964127. The next prime is 68964139. The reversal of 68964130 is 3146986.

It can be written as a sum of positive squares in 4 ways, for example, as 67716441 + 1247689 = 8229^2 + 1117^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68964130.

It is not an unprimeable number, because it can be changed into a prime (68964139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64531 + ... + 65590.

Almost surely, 2^68964130 is an apocalyptic number.

68964130 is a deficient number, since it is larger than the sum of its proper divisors (57514454).

68964130 is a wasteful number, since it uses less digits than its factorization.

68964130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130181.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 68964130 is about 8304.4644619626. The cubic root of 68964130 is about 410.0855066555.

It can be divided in two parts, 6896 and 4130, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 68964130 in words is "sixty-eight million, nine hundred sixty-four thousand, one hundred thirty".