68480900 has 18 divisors (see below), whose sum is σ = 148603770. Its totient is φ = 27392320.

The previous prime is 68480899. The next prime is 68480903. The reversal of 68480900 is 908486.

It can be written as a sum of positive squares in 3 ways, for example, as 10355524 + 58125376 = 3218^2 + 7624^2 .

It is not an unprimeable number, because it can be changed into a prime (68480903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342305 + ... + 342504.

It is an arithmetic number, because the mean of its divisors is an integer number (8255765).

Almost surely, 2^68480900 is an apocalyptic number.

It is an amenable number.

68480900 is an abundant number, since it is smaller than the sum of its proper divisors (80122870).

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

68480900 is a wasteful number, since it uses less digits than its factorization.

68480900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684823 (or 684816 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 68480900 is about 8275.3187249797. The cubic root of 68480900 is about 409.1254410057.

The spelling of 68480900 in words is "sixty-eight million, four hundred eighty thousand, nine hundred".