68831400 has 96 divisors (see below), whose sum is σ = 232797600. Its totient is φ = 16684800.

The previous prime is 68831383. The next prime is 68831423. The reversal of 68831400 is 413886.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1386 + ... + 11814.

It is an arithmetic number, because the mean of its divisors is an integer number (2424975).

Almost surely, 2^68831400 is an apocalyptic number.

68831400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68831400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116398800).

68831400 is an abundant number, since it is smaller than the sum of its proper divisors (163966200).

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

68831400 is a wasteful number, since it uses less digits than its factorization.

68831400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10459 (or 10450 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 68831400 is about 8296.4691284907. The cubic root of 68831400 is about 409.8222509302.

The spelling of 68831400 in words is "sixty-eight million, eight hundred thirty-one thousand, four hundred".