68787500 has 36 divisors (see below), whose sum is σ = 150490368. Its totient is φ = 27510000.

The previous prime is 68787409. The next prime is 68787517. The reversal of 68787500 is 578786.

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, 9749 + ... + 15251.

It is an arithmetic number, because the mean of its divisors is an integer number (4180288).

Almost surely, 2^68787500 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 68787500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75245184).

68787500 is an abundant number, since it is smaller than the sum of its proper divisors (81702868).

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

68787500 is an equidigital number, since it uses as much as digits as its factorization.

68787500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532 (or 5510 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 68787500 is about 8293.8230026930. The cubic root of 68787500 is about 409.7351055138.

The spelling of 68787500 in words is "sixty-eight million, seven hundred eighty-seven thousand, five hundred".