68907252 has 12 divisors (see below), whose sum is σ = 160783616. Its totient is φ = 22969080.

The previous prime is 68907233. The next prime is 68907253. The reversal of 68907252 is 25270986.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 68907252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68907253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2871124 + ... + 2871147.

Almost surely, 2^68907252 is an apocalyptic number.

It is an amenable number.

68907252 is an abundant number, since it is smaller than the sum of its proper divisors (91876364).

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

68907252 is a wasteful number, since it uses less digits than its factorization.

68907252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742278 (or 5742276 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 68907252 is about 8301.0392120505. The cubic root of 68907252 is about 409.9727366365.

The spelling of 68907252 in words is "sixty-eight million, nine hundred seven thousand, two hundred fifty-two".