64026745 has 4 divisors (see below), whose sum is σ = 76832100. Its totient is φ = 51221392.

The previous prime is 64026727. The next prime is 64026763. The reversal of 64026745 is 54762046.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (64026727) and next prime (64026763).

It can be written as a sum of positive squares in 2 ways, for example, as 40717161 + 23309584 = 6381^2 + 4828^2 .

It is a cyclic number.

It is not a de Polignac number, because 64026745 - 2⁷ = 64026617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64026745.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6402670 + ... + 6402679.

It is an arithmetic number, because the mean of its divisors is an integer number (19208025).

Almost surely, 2^64026745 is an apocalyptic number.

It is an amenable number.

64026745 is a deficient number, since it is larger than the sum of its proper divisors (12805355).

64026745 is a wasteful number, since it uses less digits than its factorization.

64026745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12805354.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 64026745 is about 8001.6713879039. The cubic root of 64026745 is about 400.0557109904.

The spelling of 64026745 in words is "sixty-four million, twenty-six thousand, seven hundred forty-five".