64350765 has 24 divisors (see below), whose sum is σ = 112140288. Its totient is φ = 34136160.

The previous prime is 64350731. The next prime is 64350787. The reversal of 64350765 is 56705346.

64350765 is a `hidden beast` number, since 643 + 5 + 0 + 7 + 6 + 5 = 666.

It is not a de Polignac number, because 64350765 - 2⁸ = 64350509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4852 + ... + 12338.

It is an arithmetic number, because the mean of its divisors is an integer number (4672512).

Almost surely, 2^64350765 is an apocalyptic number.

It is an amenable number.

64350765 is a deficient number, since it is larger than the sum of its proper divisors (47789523).

64350765 is a wasteful number, since it uses less digits than its factorization.

64350765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689 (or 7686 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 64350765 is about 8021.8928564273. The cubic root of 64350765 is about 400.7294294398.

The spelling of 64350765 in words is "sixty-four million, three hundred fifty thousand, seven hundred sixty-five".