68867658 has 96 divisors (see below), whose sum is σ = 165739392. Its totient is φ = 21384000.

The previous prime is 68867641. The next prime is 68867683. The reversal of 68867658 is 85676886.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 681808 + ... + 681908.

It is an arithmetic number, because the mean of its divisors is an integer number (1726452).

Almost surely, 2^68867658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68867658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82869696).

68867658 is an abundant number, since it is smaller than the sum of its proper divisors (96871734).

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

68867658 is a wasteful number, since it uses less digits than its factorization.

68867658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 190 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 68867658 is about 8298.6539872440. The cubic root of 68867658 is about 409.8941983593.

The spelling of 68867658 in words is "sixty-eight million, eight hundred sixty-seven thousand, six hundred fifty-eight".