68753730 has 32 divisors (see below), whose sum is σ = 166650048. Its totient is φ = 18152000.

The previous prime is 68753719. The next prime is 68753731. The reversal of 68753730 is 3735786.

It is not an unprimeable number, because it can be changed into a prime (68753731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8316 + ... + 14375.

It is an arithmetic number, because the mean of its divisors is an integer number (5207814).

Almost surely, 2^68753730 is an apocalyptic number.

68753730 is an abundant number, since it is smaller than the sum of its proper divisors (97896318).

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

68753730 is a wasteful number, since it uses less digits than its factorization.

68753730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22802.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 68753730 is about 8291.7869003008. The cubic root of 68753730 is about 409.6680438169.

The spelling of 68753730 in words is "sixty-eight million, seven hundred fifty-three thousand, seven hundred thirty".