64805514 has 32 divisors (see below), whose sum is σ = 131725440. Its totient is φ = 21252672.

The previous prime is 64805509. The next prime is 64805557. The reversal of 64805514 is 41550846.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128587 + ... + 129089.

It is an arithmetic number, because the mean of its divisors is an integer number (4116420).

Almost surely, 2^64805514 is an apocalyptic number.

64805514 is an abundant number, since it is smaller than the sum of its proper divisors (66919926).

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

64805514 is a wasteful number, since it uses less digits than its factorization.

64805514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 64805514 is about 8050.1872027922. The cubic root of 64805514 is about 401.6711624832.

The spelling of 64805514 in words is "sixty-four million, eight hundred five thousand, five hundred fourteen".