68760220 has 24 divisors (see below), whose sum is σ = 144731664. Its totient is φ = 27440256.

The previous prime is 68760217. The next prime is 68760253. The reversal of 68760220 is 2206786.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5379 + ... + 12901.

It is an arithmetic number, because the mean of its divisors is an integer number (6030486).

Almost surely, 2^68760220 is an apocalyptic number.

It is an amenable number.

68760220 is an abundant number, since it is smaller than the sum of its proper divisors (75971444).

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

68760220 is a wasteful number, since it uses less digits than its factorization.

68760220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7989 (or 7987 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 68760220 is about 8292.1782421750. The cubic root of 68760220 is about 409.6809335997.

The spelling of 68760220 in words is "sixty-eight million, seven hundred sixty thousand, two hundred twenty".