64350745 has 16 divisors (see below), whose sum is σ = 79289280. Its totient is φ = 50117184.

The previous prime is 64350731. The next prime is 64350787. The reversal of 64350745 is 54705346.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 64350745 - 2⁷ = 64350617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64350745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35962 + ... + 37708.

It is an arithmetic number, because the mean of its divisors is an integer number (4955580).

Almost surely, 2^64350745 is an apocalyptic number.

It is an amenable number.

64350745 is a deficient number, since it is larger than the sum of its proper divisors (14938535).

64350745 is a wasteful number, since it uses less digits than its factorization.

64350745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 64350745 is about 8021.8916098387. The cubic root of 64350745 is about 400.7293879247.

The spelling of 64350745 in words is "sixty-four million, three hundred fifty thousand, seven hundred forty-five".