68649200 has 60 divisors (see below), whose sum is σ = 167260128. Its totient is φ = 27072000.

The previous prime is 68649197. The next prime is 68649239. The reversal of 68649200 is 294686.

It is a congruent number.

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, 28025 + ... + 30375.

Almost surely, 2^68649200 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 68649200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83630064).

68649200 is an abundant number, since it is smaller than the sum of its proper divisors (98610928).

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

68649200 is a wasteful number, since it uses less digits than its factorization.

68649200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2431 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 68649200 is about 8285.4812775119. The cubic root of 68649200 is about 409.4603250463.

The spelling of 68649200 in words is "sixty-eight million, six hundred forty-nine thousand, two hundred".