68187746 has 8 divisors (see below), whose sum is σ = 111579984. Its totient is φ = 30994420.

The previous prime is 68187719. The next prime is 68187773. The reversal of 68187746 is 64778186.

It is an interprime number because it is at equal distance from previous prime (68187719) and next prime (68187773).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68187746.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1549700 + ... + 1549743.

It is an arithmetic number, because the mean of its divisors is an integer number (13947498).

Almost surely, 2^68187746 is an apocalyptic number.

68187746 is a deficient number, since it is larger than the sum of its proper divisors (43392238).

68187746 is a wasteful number, since it uses less digits than its factorization.

68187746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099456.

The product of its digits is 451584, while the sum is 47.

The square root of 68187746 is about 8257.5871778626. The cubic root of 68187746 is about 408.5408093297.

The spelling of 68187746 in words is "sixty-eight million, one hundred eighty-seven thousand, seven hundred forty-six".