64750716 has 18 divisors (see below), whose sum is σ = 163675512. Its totient is φ = 21583560.

The previous prime is 64750709. The next prime is 64750753. The reversal of 64750716 is 61705746.

64750716 is a `hidden beast` number, since 647 + 5 + 0 + 7 + 1 + 6 = 666.

64750716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1798631 = 64750716 / (6 + 4 + 7 + 5 + 0 + 7 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 899280 + ... + 899351.

It is an arithmetic number, because the mean of its divisors is an integer number (9093084).

Almost surely, 2^64750716 is an apocalyptic number.

It is an amenable number.

64750716 is an abundant number, since it is smaller than the sum of its proper divisors (98924796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64750716 is a wasteful number, since it uses less digits than its factorization.

64750716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798641 (or 1798636 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 64750716 is about 8046.7829596678. The cubic root of 64750716 is about 401.5579160332.

The spelling of 64750716 in words is "sixty-four million, seven hundred fifty thousand, seven hundred sixteen".