68831460 has 72 divisors (see below), whose sum is σ = 210502656. Its totient is φ = 18204480.

The previous prime is 68831437. The next prime is 68831473. The reversal of 68831460 is 6413886.

It is a happy number.

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

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, 21355 + ... + 24365.

It is an arithmetic number, because the mean of its divisors is an integer number (2923648).

Almost surely, 2^68831460 is an apocalyptic number.

68831460 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 68831460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105251328).

68831460 is an abundant number, since it is smaller than the sum of its proper divisors (141671196).

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

68831460 is a wasteful number, since it uses less digits than its factorization.

68831460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3148 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 68831460 is about 8296.4727444861. The cubic root of 68831460 is about 409.8223700102.

The spelling of 68831460 in words is "sixty-eight million, eight hundred thirty-one thousand, four hundred sixty".