68457306 has 8 divisors (see below), whose sum is σ = 136914624. Its totient is φ = 22819100.

The previous prime is 68457299. The next prime is 68457307. The reversal of 68457306 is 60375486.

It is a sphenic number, since it is the product of 3 distinct primes.

68457306 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (68457307) 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 3 ways as a sum of consecutive naturals, for example, 5704770 + ... + 5704781.

It is an arithmetic number, because the mean of its divisors is an integer number (17114328).

Almost surely, 2^68457306 is an apocalyptic number.

68457306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68457306 is a wasteful number, since it uses less digits than its factorization.

68457306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11409556.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 68457306 is about 8273.8930377423. The cubic root of 68457306 is about 409.0784497305.

The spelling of 68457306 in words is "sixty-eight million, four hundred fifty-seven thousand, three hundred six".