68801562 has 28 divisors (see below), whose sum is σ = 154736010. Its totient is φ = 22933368.

The previous prime is 68801531. The next prime is 68801569. The reversal of 68801562 is 26510886.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37564641 + 31236921 = 6129^2 + 5589^2 .

It is not an unprimeable number, because it can be changed into a prime (68801569) 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 13 ways as a sum of consecutive naturals, for example, 22137 + ... + 25052.

Almost surely, 2^68801562 is an apocalyptic number.

68801562 is an abundant number, since it is smaller than the sum of its proper divisors (85934448).

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

68801562 is an equidigital number, since it uses as much as digits as its factorization.

68801562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47209 (or 47194 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 68801562 is about 8294.6706987077. The cubic root of 68801562 is about 409.7630238734.

The spelling of 68801562 in words is "sixty-eight million, eight hundred one thousand, five hundred sixty-two".