64320295 has 16 divisors (see below), whose sum is σ = 83315232. Its totient is φ = 47387520.

The previous prime is 64320287. The next prime is 64320313. The reversal of 64320295 is 59202346.

It is not a de Polignac number, because 64320295 - 2³ = 64320287 is a prime.

It is a congruent 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, 36249 + ... + 37981.

It is an arithmetic number, because the mean of its divisors is an integer number (5207202).

Almost surely, 2^64320295 is an apocalyptic number.

64320295 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64320295 is a deficient number, since it is larger than the sum of its proper divisors (18994937).

64320295 is a wasteful number, since it uses less digits than its factorization.

64320295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 64320295 is about 8019.9934538627. The cubic root of 64320295 is about 400.6661711740. Note that the first 3 decimals are identical.

The spelling of 64320295 in words is "sixty-four million, three hundred twenty thousand, two hundred ninety-five".