68745186 has 48 divisors (see below), whose sum is σ = 158680704. Its totient is φ = 22289904.

The previous prime is 68745181. The next prime is 68745191. The reversal of 68745186 is 68154786.

It is a happy number.

68745186 is a `hidden beast` number, since 68 + 74 + 518 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (68745181) and next prime (68745191).

It is not an unprimeable number, because it can be changed into a prime (68745181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16071 + ... + 19893.

It is an arithmetic number, because the mean of its divisors is an integer number (3305848).

Almost surely, 2^68745186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68745186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79340352).

68745186 is an abundant number, since it is smaller than the sum of its proper divisors (89935518).

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

68745186 is a wasteful number, since it uses less digits than its factorization.

68745186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877 (or 3865 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 68745186 is about 8291.2716756840. The cubic root of 68745186 is about 409.6510733496.

The spelling of 68745186 in words is "sixty-eight million, seven hundred forty-five thousand, one hundred eighty-six".