68668952 has 32 divisors (see below), whose sum is σ = 141642000. Its totient is φ = 31208320.

The previous prime is 68668949. The next prime is 68668997. The reversal of 68668952 is 25986686.

It is a self number, because there is not a number n which added to its sum of digits gives 68668952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7424 + ... + 13872.

Almost surely, 2^68668952 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 68668952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70821000).

68668952 is an abundant number, since it is smaller than the sum of its proper divisors (72973048).

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

68668952 is a wasteful number, since it uses less digits than its factorization.

68668952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488 (or 6462 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 68668952 is about 8286.6731563396. The cubic root of 68668952 is about 409.4995917568.

The spelling of 68668952 in words is "sixty-eight million, six hundred sixty-eight thousand, nine hundred fifty-two".