64766622 has 32 divisors (see below), whose sum is σ = 133327872. Its totient is φ = 20965824.

The previous prime is 64766591. The next prime is 64766627. The reversal of 64766622 is 22666746.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64766627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28243 + ... + 30449.

It is an arithmetic number, because the mean of its divisors is an integer number (4166496).

Almost surely, 2^64766622 is an apocalyptic number.

64766622 is an abundant number, since it is smaller than the sum of its proper divisors (68561250).

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

64766622 is a wasteful number, since it uses less digits than its factorization.

64766622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its digits is 145152, while the sum is 39.

The square root of 64766622 is about 8047.7712442638. The cubic root of 64766622 is about 401.5907942142.

The spelling of 64766622 in words is "sixty-four million, seven hundred sixty-six thousand, six hundred twenty-two".