64752897 has 8 divisors (see below), whose sum is σ = 94186080. Its totient is φ = 39244160.

The previous prime is 64752871. The next prime is 64752901. The reversal of 64752897 is 79825746.

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 64752897 - 2⁶ = 64752833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64752827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981072 + ... + 981137.

It is an arithmetic number, because the mean of its divisors is an integer number (11773260).

Almost surely, 2^64752897 is an apocalyptic number.

It is an amenable number.

64752897 is a deficient number, since it is larger than the sum of its proper divisors (29433183).

64752897 is a wasteful number, since it uses less digits than its factorization.

64752897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962223.

The product of its digits is 846720, while the sum is 48.

The square root of 64752897 is about 8046.9184785233. The cubic root of 64752897 is about 401.5624245444.

The spelling of 64752897 in words is "sixty-four million, seven hundred fifty-two thousand, eight hundred ninety-seven".