68152730 has 16 divisors (see below), whose sum is σ = 122791680. Its totient is φ = 27235152.

The previous prime is 68152723. The next prime is 68152759. The reversal of 68152730 is 3725186.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10607 + ... + 15773.

It is an arithmetic number, because the mean of its divisors is an integer number (7674480).

Almost surely, 2^68152730 is an apocalyptic number.

68152730 is a deficient number, since it is larger than the sum of its proper divisors (54638950).

68152730 is a wasteful number, since it uses less digits than its factorization.

68152730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 68152730 is about 8255.4666736654. The cubic root of 68152730 is about 408.4708656069.

The spelling of 68152730 in words is "sixty-eight million, one hundred fifty-two thousand, seven hundred thirty".