64120417 has 4 divisors (see below), whose sum is σ = 64142100. Its totient is φ = 64098736.

The previous prime is 64120409. The next prime is 64120453. The reversal of 64120417 is 71402146.

64120417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71402146 = 2 ⋅35701073.

It can be written as a sum of positive squares in 2 ways, for example, as 35988001 + 28132416 = 5999^2 + 5304^2 .

It is a cyclic number.

It is not a de Polignac number, because 64120417 - 2³ = 64120409 is a prime.

It is a super-2 number, since 2×64120417² = 8222855752507778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64120391 and 64120400.

It is not an unprimeable number, because it can be changed into a prime (64120457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5542 + ... + 12607.

It is an arithmetic number, because the mean of its divisors is an integer number (16035525).

Almost surely, 2^64120417 is an apocalyptic number.

It is an amenable number.

64120417 is a deficient number, since it is larger than the sum of its proper divisors (21683).

64120417 is a wasteful number, since it uses less digits than its factorization.

64120417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21682.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 64120417 is about 8007.5225257254. The cubic root of 64120417 is about 400.2507115764.

The spelling of 64120417 in words is "sixty-four million, one hundred twenty thousand, four hundred seventeen".