64535750 has 16 divisors (see below), whose sum is σ = 120811392. Its totient is φ = 25814200.

The previous prime is 64535717. The next prime is 64535753. The reversal of 64535750 is 5753546.

It is a self number, because there is not a number n which added to its sum of digits gives 64535750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64535753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128822 + ... + 129321.

It is an arithmetic number, because the mean of its divisors is an integer number (7550712).

Almost surely, 2^64535750 is an apocalyptic number.

64535750 is a deficient number, since it is larger than the sum of its proper divisors (56275642).

64535750 is a wasteful number, since it uses less digits than its factorization.

64535750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258160 (or 258150 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 64535750 is about 8033.4145915669. The cubic root of 64535750 is about 401.1130457833.

The spelling of 64535750 in words is "sixty-four million, five hundred thirty-five thousand, seven hundred fifty".