64520662 has 8 divisors (see below), whose sum is σ = 96819192. Its totient is φ = 32247600.

The previous prime is 64520647. The next prime is 64520669. The reversal of 64520662 is 26602546.

64520662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64520669) by changing a digit.

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, 2362 + ... + 11602.

It is an arithmetic number, because the mean of its divisors is an integer number (12102399).

Almost surely, 2^64520662 is an apocalyptic number.

64520662 is a deficient number, since it is larger than the sum of its proper divisors (32298530).

64520662 is a wasteful number, since it uses less digits than its factorization.

64520662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12734.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 64520662 is about 8032.4754590350. The cubic root of 64520662 is about 401.0817842198.

The spelling of 64520662 in words is "sixty-four million, five hundred twenty thousand, six hundred sixty-two".