64464906 has 32 divisors (see below), whose sum is σ = 146769408. Its totient is φ = 18685040.

The previous prime is 64464899. The next prime is 64464923. The reversal of 64464906 is 60946446.

64464906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 19716 + ... + 22751.

It is an arithmetic number, because the mean of its divisors is an integer number (4586544).

Almost surely, 2^64464906 is an apocalyptic number.

64464906 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64464906 is an abundant number, since it is smaller than the sum of its proper divisors (82304502).

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

64464906 is a wasteful number, since it uses less digits than its factorization.

64464906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42506.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 64464906 is about 8029.0040478256. The cubic root of 64464906 is about 400.9662183427.

The spelling of 64464906 in words is "sixty-four million, four hundred sixty-four thousand, nine hundred six".