64725359 has 4 divisors (see below), whose sum is σ = 65113104. Its totient is φ = 64337616.

The previous prime is 64725337. The next prime is 64725373. The reversal of 64725359 is 95352746.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64725359 - 2²⁰ = 63676783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64725329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193622 + ... + 193955.

It is an arithmetic number, because the mean of its divisors is an integer number (16278276).

Almost surely, 2^64725359 is an apocalyptic number.

64725359 is a deficient number, since it is larger than the sum of its proper divisors (387745).

64725359 is a wasteful number, since it uses less digits than its factorization.

64725359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387744.

The product of its digits is 226800, while the sum is 41.

The square root of 64725359 is about 8045.2072067785. The cubic root of 64725359 is about 401.5054912151.

The spelling of 64725359 in words is "sixty-four million, seven hundred twenty-five thousand, three hundred fifty-nine".