64327085 has 4 divisors (see below), whose sum is σ = 77192508. Its totient is φ = 51461664.

The previous prime is 64327069. The next prime is 64327121. The reversal of 64327085 is 58072346.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58072346 = 2 ⋅29036173.

It can be written as a sum of positive squares in 2 ways, for example, as 10201636 + 54125449 = 3194^2 + 7357^2 .

It is a cyclic number.

It is not a de Polignac number, because 64327085 - 2⁴ = 64327069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6432704 + ... + 6432713.

It is an arithmetic number, because the mean of its divisors is an integer number (19298127).

Almost surely, 2^64327085 is an apocalyptic number.

It is an amenable number.

64327085 is a deficient number, since it is larger than the sum of its proper divisors (12865423).

64327085 is a wasteful number, since it uses less digits than its factorization.

64327085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12865422.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 64327085 is about 8020.4167597451. The cubic root of 64327085 is about 400.6802695110.

The spelling of 64327085 in words is "sixty-four million, three hundred twenty-seven thousand, eighty-five".