7240736 has 24 divisors (see below), whose sum is σ = 14317884. Its totient is φ = 3604480.

The previous prime is 7240733. The next prime is 7240741. The reversal of 7240736 is 6370427.

It can be written as a sum of positive squares in 2 ways, for example, as 6990736 + 250000 = 2644^2 + 500^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7240699 and 7240708.

It is not an unprimeable number, because it can be changed into a prime (7240733) 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, 10976 + ... + 11616.

Almost surely, 2^7240736 is an apocalyptic number.

It is an amenable number.

7240736 is a deficient number, since it is larger than the sum of its proper divisors (7077148).

7240736 is a wasteful number, since it uses less digits than its factorization.

7240736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 7240736 is about 2690.8615720620. The cubic root of 7240736 is about 193.4613605697.

The spelling of 7240736 in words is "seven million, two hundred forty thousand, seven hundred thirty-six".