68831250 has 48 divisors (see below), whose sum is σ = 172113984. Its totient is φ = 18350000.

The previous prime is 68831237. The next prime is 68831291. The reversal of 68831250 is 5213886.

It is a happy number.

It is a congruent number.

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, 16915 + ... + 20585.

It is an arithmetic number, because the mean of its divisors is an integer number (3585708).

Almost surely, 2^68831250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68831250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86056992).

68831250 is an abundant number, since it is smaller than the sum of its proper divisors (103282734).

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

68831250 is an equidigital number, since it uses as much as digits as its factorization.

68831250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 68831250 is about 8296.4600884956. The cubic root of 68831250 is about 409.8219532299.

The spelling of 68831250 in words is "sixty-eight million, eight hundred thirty-one thousand, two hundred fifty".