68977068 has 48 divisors (see below), whose sum is σ = 171843840. Its totient is φ = 21470400.

The previous prime is 68977063. The next prime is 68977093. The reversal of 68977068 is 86077986.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68977068.

It is not an unprimeable number, because it can be changed into a prime (68977063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14058 + ... + 18318.

It is an arithmetic number, because the mean of its divisors is an integer number (3580080).

Almost surely, 2^68977068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68977068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85921920).

68977068 is an abundant number, since it is smaller than the sum of its proper divisors (102866772).

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

68977068 is a wasteful number, since it uses less digits than its factorization.

68977068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358 (or 4356 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 68977068 is about 8305.2434040189. The cubic root of 68977068 is about 410.1111497182. Note that the first 4 decimals are identical.

The spelling of 68977068 in words is "sixty-eight million, nine hundred seventy-seven thousand, sixty-eight".