68955300 has 90 divisors (see below), whose sum is σ = 223552098. Its totient is φ = 18385920.

The previous prime is 68955287. The next prime is 68955323. The reversal of 68955300 is 355986.

It can be written as a sum of positive squares in 3 ways, for example, as 19927296 + 49028004 = 4464^2 + 7002^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3844 + ... + 12356.

Almost surely, 2^68955300 is an apocalyptic number.

68955300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68955300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111776049).

68955300 is an abundant number, since it is smaller than the sum of its proper divisors (154596798).

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

68955300 is a wasteful number, since it uses less digits than its factorization.

68955300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539 (or 8523 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 68955300 is about 8303.9328031963. The cubic root of 68955300 is about 410.0680037905.

The spelling of 68955300 in words is "sixty-eight million, nine hundred fifty-five thousand, three hundred".