68810832 has 60 divisors (see below), whose sum is σ = 203909940. Its totient is φ = 21586944.

The previous prime is 68810827. The next prime is 68810839. The reversal of 68810832 is 23801886.

It can be written as a sum of positive squares in 2 ways, for example, as 20034576 + 48776256 = 4476^2 + 6984^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68810839) 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 11 ways as a sum of consecutive naturals, for example, 11607 + ... + 16502.

It is an arithmetic number, because the mean of its divisors is an integer number (3398499).

Almost surely, 2^68810832 is an apocalyptic number.

It is an amenable number.

68810832 is an abundant number, since it is smaller than the sum of its proper divisors (135099108).

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

68810832 is a wasteful number, since it uses less digits than its factorization.

68810832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28140 (or 28131 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 68810832 is about 8295.2294724136. The cubic root of 68810832 is about 409.7814262301.

The spelling of 68810832 in words is "sixty-eight million, eight hundred ten thousand, eight hundred thirty-two".