64482415 has 4 divisors (see below), whose sum is σ = 77378904. Its totient is φ = 51585928.

The previous prime is 64482403. The next prime is 64482419. The reversal of 64482415 is 51428446.

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 64482415 - 2¹⁹ = 63958127 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 (64482419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6448237 + ... + 6448246.

It is an arithmetic number, because the mean of its divisors is an integer number (19344726).

Almost surely, 2^64482415 is an apocalyptic number.

64482415 is a deficient number, since it is larger than the sum of its proper divisors (12896489).

64482415 is a wasteful number, since it uses less digits than its factorization.

64482415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12896488.

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

The square root of 64482415 is about 8030.0943331943. The cubic root of 64482415 is about 401.0025165523.

The spelling of 64482415 in words is "sixty-four million, four hundred eighty-two thousand, four hundred fifteen".