68675418 has 64 divisors (see below), whose sum is σ = 176305920. Its totient is φ = 19408896.

The previous prime is 68675417. The next prime is 68675419. The reversal of 68675418 is 81457686.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68675417) and next prime (68675419).

It is not an unprimeable number, because it can be changed into a prime (68675417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35730 + ... + 37602.

It is an arithmetic number, because the mean of its divisors is an integer number (2754780).

Almost surely, 2^68675418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68675418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88152960).

68675418 is an abundant number, since it is smaller than the sum of its proper divisors (107630502).

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

68675418 is a wasteful number, since it uses less digits than its factorization.

68675418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1982 counting only the distinct ones).

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

The square root of 68675418 is about 8287.0632916613. The cubic root of 68675418 is about 409.5124444420.

The spelling of 68675418 in words is "sixty-eight million, six hundred seventy-five thousand, four hundred eighteen".