68770180 has 24 divisors (see below), whose sum is σ = 146787480. Its totient is φ = 27056640.

The previous prime is 68770159. The next prime is 68770217. The reversal of 68770180 is 8107786.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4032064 + 64738116 = 2008^2 + 8046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26965 + ... + 29404.

It is an arithmetic number, because the mean of its divisors is an integer number (6116145).

Almost surely, 2^68770180 is an apocalyptic number.

It is an amenable number.

68770180 is an abundant number, since it is smaller than the sum of its proper divisors (78017300).

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

68770180 is a wasteful number, since it uses less digits than its factorization.

68770180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56439 (or 56437 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 68770180 is about 8292.7787863900. The cubic root of 68770180 is about 409.7007135689.

The spelling of 68770180 in words is "sixty-eight million, seven hundred seventy thousand, one hundred eighty".