64345593 has 8 divisors (see below), whose sum is σ = 92393728. Its totient is φ = 39597264.

The previous prime is 64345583. The next prime is 64345637. The reversal of 64345593 is 39554346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64345593 - 2²⁴ = 47568377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1649887 = 64345593 / (6 + 4 + 3 + 4 + 5 + 5 + 9 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64345543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824905 + ... + 824982.

It is an arithmetic number, because the mean of its divisors is an integer number (11549216).

Almost surely, 2^64345593 is an apocalyptic number.

It is an amenable number.

64345593 is a deficient number, since it is larger than the sum of its proper divisors (28048135).

64345593 is a wasteful number, since it uses less digits than its factorization.

64345593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649903.

The product of its digits is 194400, while the sum is 39.

The square root of 64345593 is about 8021.5704821438. The cubic root of 64345593 is about 400.7186933430.

The spelling of 64345593 in words is "sixty-four million, three hundred forty-five thousand, five hundred ninety-three".