68707734 has 8 divisors (see below), whose sum is σ = 137415480. Its totient is φ = 22902576.

The previous prime is 68707703. The next prime is 68707747. The reversal of 68707734 is 43770786.

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

68707734 is an admirable number.

It is a super-2 number, since 2×68707734² = 9441505422829512, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 5725639 + ... + 5725650.

It is an arithmetic number, because the mean of its divisors is an integer number (17176935).

Almost surely, 2^68707734 is an apocalyptic number.

68707734 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.

68707734 is a wasteful number, since it uses less digits than its factorization.

68707734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11451294.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 68707734 is about 8289.0128483433. The cubic root of 68707734 is about 409.5766679507.

The spelling of 68707734 in words is "sixty-eight million, seven hundred seven thousand, seven hundred thirty-four".