64244033 has 8 divisors (see below), whose sum is σ = 73488960. Its totient is φ = 55015920.

The previous prime is 64244029. The next prime is 64244053. The reversal of 64244033 is 33044246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64244033 - 2² = 64244029 is a prime.

It is a super-2 number, since 2×64244033² = 8254591552210178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64243993 and 64244011.

It is not an unprimeable number, because it can be changed into a prime (64244023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5483 + ... + 12591.

It is an arithmetic number, because the mean of its divisors is an integer number (9186120).

Almost surely, 2^64244033 is an apocalyptic number.

It is an amenable number.

64244033 is a deficient number, since it is larger than the sum of its proper divisors (9244927).

64244033 is a wasteful number, since it uses less digits than its factorization.

64244033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8407.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 64244033 is about 8015.2375510648. The cubic root of 64244033 is about 400.5077572670.

Adding to 64244033 its reverse (33044246), we get a palindrome (97288279).

The spelling of 64244033 in words is "sixty-four million, two hundred forty-four thousand, thirty-three".