7644049 has 12 divisors (see below), whose sum is σ = 9018084. Its totient is φ = 6459264.

The previous prime is 7644047. The next prime is 7644053. The reversal of 7644049 is 9404467.

It can be written as a sum of positive squares in 2 ways, for example, as 1979649 + 5664400 = 1407^2 + 2380^2 .

It is not a de Polignac number, because 7644049 - 2¹ = 7644047 is a prime.

It is a super-2 number, since 2×7644049² = 116862970228802, which contains 22 as substring.

It is a Duffinian number.

7644049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7644041) 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 11 ways as a sum of consecutive naturals, for example, 2509 + ... + 4645.

It is an arithmetic number, because the mean of its divisors is an integer number (751507).

Almost surely, 2^7644049 is an apocalyptic number.

It is an amenable number.

7644049 is a deficient number, since it is larger than the sum of its proper divisors (1374035).

7644049 is a wasteful number, since it uses less digits than its factorization.

7644049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 7644049 is about 2764.7873335937. The cubic root of 7644049 is about 196.9886274109.

The spelling of 7644049 in words is "seven million, six hundred forty-four thousand, forty-nine".