68218052 has 24 divisors (see below), whose sum is σ = 137234496. Its totient is φ = 29065248.

The previous prime is 68218027. The next prime is 68218061. The reversal of 68218052 is 25081286.

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, 2198 + ... + 11885.

It is an arithmetic number, because the mean of its divisors is an integer number (5718104).

Almost surely, 2^68218052 is an apocalyptic number.

It is an amenable number.

68218052 is an abundant number, since it is smaller than the sum of its proper divisors (69016444).

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

68218052 is a wasteful number, since it uses less digits than its factorization.

68218052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14267 (or 14265 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 68218052 is about 8259.4220136763. The cubic root of 68218052 is about 408.6013255987.

The spelling of 68218052 in words is "sixty-eight million, two hundred eighteen thousand, fifty-two".