7649444 has 12 divisors (see below), whose sum is σ = 14603568. Its totient is φ = 3477000.

The previous prime is 7649443. The next prime is 7649449. The reversal of 7649444 is 4449467.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7649398 and 7649407.

It is not an unprimeable number, because it can be changed into a prime (7649443) 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 3 ways as a sum of consecutive naturals, for example, 86882 + ... + 86969.

It is an arithmetic number, because the mean of its divisors is an integer number (1216964).

Almost surely, 2^7649444 is an apocalyptic number.

It is an amenable number.

7649444 is a deficient number, since it is larger than the sum of its proper divisors (6954124).

7649444 is a wasteful number, since it uses less digits than its factorization.

7649444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173866 (or 173864 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 7649444 is about 2765.7628242494. The cubic root of 7649444 is about 197.0349599117.

The spelling of 7649444 in words is "seven million, six hundred forty-nine thousand, four hundred forty-four".