64418245 has 8 divisors (see below), whose sum is σ = 77345784. Its totient is φ = 51505344.

The previous prime is 64418231. The next prime is 64418273. The reversal of 64418245 is 54281446.

It can be written as a sum of positive squares in 4 ways, for example, as 16434916 + 47983329 = 4054^2 + 6927^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64418245 - 2¹¹ = 64416197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64418245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12607 + ... + 16963.

It is an arithmetic number, because the mean of its divisors is an integer number (9668223).

Almost surely, 2^64418245 is an apocalyptic number.

It is an amenable number.

64418245 is a deficient number, since it is larger than the sum of its proper divisors (12927539).

64418245 is a wasteful number, since it uses less digits than its factorization.

64418245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7319.

The product of its digits is 30720, while the sum is 34.

The square root of 64418245 is about 8026.0977442341. The cubic root of 64418245 is about 400.8694525115.

The spelling of 64418245 in words is "sixty-four million, four hundred eighteen thousand, two hundred forty-five".