64375593 has 4 divisors (see below), whose sum is σ = 85834128. Its totient is φ = 42917060.

The previous prime is 64375589. The next prime is 64375603. The reversal of 64375593 is 39557346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64375593 - 2² = 64375589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64375513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10729263 + ... + 10729268.

It is an arithmetic number, because the mean of its divisors is an integer number (21458532).

Almost surely, 2^64375593 is an apocalyptic number.

It is an amenable number.

64375593 is a deficient number, since it is larger than the sum of its proper divisors (21458535).

64375593 is a wasteful number, since it uses less digits than its factorization.

64375593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21458534.

The product of its digits is 340200, while the sum is 42.

The square root of 64375593 is about 8023.4402222488. The cubic root of 64375593 is about 400.7809596793.

The spelling of 64375593 in words is "sixty-four million, three hundred seventy-five thousand, five hundred ninety-three".