68985700 has 72 divisors (see below), whose sum is σ = 172558400. Its totient is φ = 23448960.

The previous prime is 68985619. The next prime is 68985733. The reversal of 68985700 is 758986.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96946 + ... + 97654.

Almost surely, 2^68985700 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 68985700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86279200).

68985700 is an abundant number, since it is smaller than the sum of its proper divisors (103572700).

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

68985700 is a wasteful number, since it uses less digits than its factorization.

68985700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 68985700 is about 8305.7630594666. The cubic root of 68985700 is about 410.1282565233.

The spelling of 68985700 in words is "sixty-eight million, nine hundred eighty-five thousand, seven hundred".