64206980 has 12 divisors (see below), whose sum is σ = 134834700. Its totient is φ = 25682784.

The previous prime is 64206959. The next prime is 64207001. The reversal of 64206980 is 8960246.

64206980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64206959) and next prime (64207001).

It can be written as a sum of positive squares in 2 ways, for example, as 9535744 + 54671236 = 3088^2 + 7394^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64206980.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1605155 + ... + 1605194.

It is an arithmetic number, because the mean of its divisors is an integer number (11236225).

Almost surely, 2^64206980 is an apocalyptic number.

It is an amenable number.

64206980 is an abundant number, since it is smaller than the sum of its proper divisors (70627720).

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

64206980 is a wasteful number, since it uses less digits than its factorization.

64206980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210358 (or 3210356 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 64206980 is about 8012.9258077184. The cubic root of 64206980 is about 400.4307443152.

The spelling of 64206980 in words is "sixty-four million, two hundred six thousand, nine hundred eighty".