64010749 has 4 divisors (see below), whose sum is σ = 69829920. Its totient is φ = 58191580.

The previous prime is 64010747. The next prime is 64010783. The reversal of 64010749 is 94701046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64010749 - 2¹ = 64010747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64010749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64010741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2909569 + ... + 2909590.

It is an arithmetic number, because the mean of its divisors is an integer number (17457480).

Almost surely, 2^64010749 is an apocalyptic number.

It is an amenable number.

64010749 is a deficient number, since it is larger than the sum of its proper divisors (5819171).

64010749 is a wasteful number, since it uses less digits than its factorization.

64010749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819170.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 64010749 is about 8000.6717842941. The cubic root of 64010749 is about 400.0223924964.

The spelling of 64010749 in words is "sixty-four million, ten thousand, seven hundred forty-nine".