64373849 has 16 divisors (see below), whose sum is σ = 72316800. Its totient is φ = 56981760.

The previous prime is 64373839. The next prime is 64373857. The reversal of 64373849 is 94837346.

It is a happy number.

64373849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64373849 - 2⁸ = 64373593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64373839) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22502 + ... + 25200.

It is an arithmetic number, because the mean of its divisors is an integer number (4519800).

Almost surely, 2^64373849 is an apocalyptic number.

It is an amenable number.

64373849 is a deficient number, since it is larger than the sum of its proper divisors (7942951).

64373849 is a wasteful number, since it uses less digits than its factorization.

64373849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800.

The product of its digits is 435456, while the sum is 44.

The square root of 64373849 is about 8023.3315399527. The cubic root of 64373849 is about 400.7773404593. Note that the first 3 decimals are identical.

The spelling of 64373849 in words is "sixty-four million, three hundred seventy-three thousand, eight hundred forty-nine".