68706100 has 18 divisors (see below), whose sum is σ = 149092454. Its totient is φ = 27482400.

The previous prime is 68706089. The next prime is 68706103. The reversal of 68706100 is 160786.

It can be written as a sum of positive squares in 3 ways, for example, as 5280804 + 63425296 = 2298^2 + 7964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68706103) 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, 343431 + ... + 343630.

Almost surely, 2^68706100 is an apocalyptic number.

It is an amenable number.

68706100 is an abundant number, since it is smaller than the sum of its proper divisors (80386354).

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

68706100 is a wasteful number, since it uses less digits than its factorization.

68706100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687075 (or 687068 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 68706100 is about 8288.9142835476. The cubic root of 68706100 is about 409.5734210887.

Adding to 68706100 its reverse (160786), we get a palindrome (68866886).

The spelling of 68706100 in words is "sixty-eight million, seven hundred six thousand, one hundred".