68820252 has 24 divisors (see below), whose sum is σ = 160736016. Its totient is φ = 22917888.

The previous prime is 68820251. The next prime is 68820293. The reversal of 68820252 is 25202886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68820251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14388 + ... + 18564.

It is an arithmetic number, because the mean of its divisors is an integer number (6697334).

Almost surely, 2^68820252 is an apocalyptic number.

It is an amenable number.

68820252 is an abundant number, since it is smaller than the sum of its proper divisors (91915764).

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

68820252 is a wasteful number, since it uses less digits than its factorization.

68820252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557 (or 5555 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 68820252 is about 8295.7972492100. The cubic root of 68820252 is about 409.8001246665.

The spelling of 68820252 in words is "sixty-eight million, eight hundred twenty thousand, two hundred fifty-two".