64752417 has 18 divisors (see below), whose sum is σ = 95592978. Its totient is φ = 42236832.

The previous prime is 64752403. The next prime is 64752419. The reversal of 64752417 is 71425746.

64752417 is a `hidden beast` number, since 647 + 5 + 2 + 4 + 1 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 62346816 + 2405601 = 7896^2 + 1551^2 .

It is not a de Polignac number, because 64752417 - 2⁶ = 64752353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64752419) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18253 + ... + 21509.

It is an arithmetic number, because the mean of its divisors is an integer number (5310721).

Almost surely, 2^64752417 is an apocalyptic number.

It is an amenable number.

64752417 is a deficient number, since it is larger than the sum of its proper divisors (30840561).

64752417 is a wasteful number, since it uses less digits than its factorization.

64752417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357 (or 3307 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 64752417 is about 8046.8886533865. Note that the first 3 decimals coincide. The cubic root of 64752417 is about 401.5614323085.

The spelling of 64752417 in words is "sixty-four million, seven hundred fifty-two thousand, four hundred seventeen".