64995458 has 16 divisors (see below), whose sum is σ = 109232064. Its totient is φ = 28744560.

The previous prime is 64995457. The next prime is 64995473. The reversal of 64995458 is 85459946.

64995458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64995457) 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 7 ways as a sum of consecutive naturals, for example, 39110 + ... + 40737.

It is an arithmetic number, because the mean of its divisors is an integer number (6827004).

Almost surely, 2^64995458 is an apocalyptic number.

64995458 is a deficient number, since it is larger than the sum of its proper divisors (44236606).

64995458 is a wasteful number, since it uses less digits than its factorization.

64995458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79897.

The product of its digits is 1555200, while the sum is 50.

The square root of 64995458 is about 8061.9760604953. The cubic root of 64995458 is about 402.0632104426.

The spelling of 64995458 in words is "sixty-four million, nine hundred ninety-five thousand, four hundred fifty-eight".