68615330 has 16 divisors (see below), whose sum is σ = 141151680. Its totient is φ = 23525232.

The previous prime is 68615317. The next prime is 68615333. The reversal of 68615330 is 3351686.

It is a super-2 number, since 2×68615330² = 9416127022017800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68615333) 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, 490040 + ... + 490179.

It is an arithmetic number, because the mean of its divisors is an integer number (8821980).

Almost surely, 2^68615330 is an apocalyptic number.

68615330 is an abundant number, since it is smaller than the sum of its proper divisors (72536350).

68615330 is a wasteful number, since it uses less digits than its factorization.

68615330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980233.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 68615330 is about 8283.4370885521. The cubic root of 68615330 is about 409.3929744065.

The spelling of 68615330 in words is "sixty-eight million, six hundred fifteen thousand, three hundred thirty".