68487500 has 36 divisors (see below), whose sum is σ = 149834160. Its totient is φ = 27390000.

The previous prime is 68487493. The next prime is 68487521. The reversal of 68487500 is 578486.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9761 + ... + 15239.

It is an arithmetic number, because the mean of its divisors is an integer number (4162060).

Almost surely, 2^68487500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68487500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74917080).

68487500 is an abundant number, since it is smaller than the sum of its proper divisors (81346660).

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

68487500 is an equidigital number, since it uses as much as digits as its factorization.

68487500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508 (or 5486 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 68487500 is about 8275.7174915532. The cubic root of 68487500 is about 409.1385840435.

The spelling of 68487500 in words is "sixty-eight million, four hundred eighty-seven thousand, five hundred".