7264144 has 10 divisors (see below), whose sum is σ = 14074310. Its totient is φ = 3632064.

The previous prime is 7264141. The next prime is 7264171. The reversal of 7264144 is 4414627.

It can be written as a sum of positive squares in only one way, i.e., 4665600 + 2598544 = 2160^2 + 1612^2 .

It is not an unprimeable number, because it can be changed into a prime (7264141) 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 as a sum of consecutive naturals, namely, 226989 + ... + 227020.

It is an arithmetic number, because the mean of its divisors is an integer number (1407431).

Almost surely, 2^7264144 is an apocalyptic number.

It is an amenable number.

7264144 is a deficient number, since it is larger than the sum of its proper divisors (6810166).

7264144 is a wasteful number, since it uses less digits than its factorization.

7264144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454017 (or 454011 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 7264144 is about 2695.2075986833. The cubic root of 7264144 is about 193.6696116040.

The spelling of 7264144 in words is "seven million, two hundred sixty-four thousand, one hundred forty-four".