7641224 has 8 divisors (see below), whose sum is σ = 14327310. Its totient is φ = 3820608.

The previous prime is 7641223. The next prime is 7641241. The reversal of 7641224 is 4221467.

It can be written as a sum of positive squares in only one way, i.e., 6604900 + 1036324 = 2570^2 + 1018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 7641193 and 7641202.

It is not an unprimeable number, because it can be changed into a prime (7641223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477569 + ... + 477584.

Almost surely, 2^7641224 is an apocalyptic number.

It is an amenable number.

7641224 is a deficient number, since it is larger than the sum of its proper divisors (6686086).

7641224 is a wasteful number, since it uses less digits than its factorization.

7641224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955159 (or 955155 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 7641224 is about 2764.2763971788. The cubic root of 7641224 is about 196.9643574879.

The spelling of 7641224 in words is "seven million, six hundred forty-one thousand, two hundred twenty-four".