68478300 has 108 divisors (see below), whose sum is σ = 234188136. Its totient is φ = 16598400.

The previous prime is 68478283. The next prime is 68478301. The reversal of 68478300 is 387486.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68478301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6442 + ... + 13358.

Almost surely, 2^68478300 is an apocalyptic number.

68478300 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 68478300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117094068).

68478300 is an abundant number, since it is smaller than the sum of its proper divisors (165709836).

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

68478300 is a wasteful number, since it uses less digits than its factorization.

68478300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948 (or 6938 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 68478300 is about 8275.1616298414. The cubic root of 68478300 is about 409.1202632135.

The spelling of 68478300 in words is "sixty-eight million, four hundred seventy-eight thousand, three hundred".