64304605 has 16 divisors (see below), whose sum is σ = 80149104. Its totient is φ = 49489920.

The previous prime is 64304599. The next prime is 64304609. The reversal of 64304605 is 50640346.

It can be written as a sum of positive squares in 8 ways, for example, as 5659641 + 58644964 = 2379^2 + 7658^2 .

It is not a de Polignac number, because 64304605 - 2¹³ = 64296413 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 (64304609) 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 15 ways as a sum of consecutive naturals, for example, 12817 + ... + 17113.

It is an arithmetic number, because the mean of its divisors is an integer number (5009319).

Almost surely, 2^64304605 is an apocalyptic number.

It is an amenable number.

64304605 is a deficient number, since it is larger than the sum of its proper divisors (15844499).

64304605 is a wasteful number, since it uses less digits than its factorization.

64304605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 64304605 is about 8019.0152138526. The cubic root of 64304605 is about 400.6335896306.

The spelling of 64304605 in words is "sixty-four million, three hundred four thousand, six hundred five".