64756676 has 12 divisors (see below), whose sum is σ = 113390508. Its totient is φ = 32359392.

The previous prime is 64756673. The next prime is 64756687. The reversal of 64756676 is 67665746.

It can be written as a sum of positive squares in 2 ways, for example, as 47334400 + 17422276 = 6880^2 + 4174^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64756676.

It is not an unprimeable number, because it can be changed into a prime (64756673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330 + ... + 12566.

It is an arithmetic number, because the mean of its divisors is an integer number (9449209).

Almost surely, 2^64756676 is an apocalyptic number.

It is an amenable number.

64756676 is a deficient number, since it is larger than the sum of its proper divisors (48633832).

64756676 is a wasteful number, since it uses less digits than its factorization.

64756676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9478 (or 9476 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 47.

The square root of 64756676 is about 8047.1532854793. The cubic root of 64756676 is about 401.5702361634.

The spelling of 64756676 in words is "sixty-four million, seven hundred fifty-six thousand, six hundred seventy-six".