7724073 has 16 divisors (see below), whose sum is σ = 11887616. Its totient is φ = 4369680.

The previous prime is 7724039. The next prime is 7724099. The reversal of 7724073 is 3704277.

It is a happy number.

It is not a de Polignac number, because 7724073 - 2⁸ = 7723817 is a prime.

It is a super-2 number, since 2×7724073² = 119322607418658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7724073.

It is not an unprimeable number, because it can be changed into a prime (7724033) 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 in 15 ways as a sum of consecutive naturals, for example, 378 + ... + 3948.

It is an arithmetic number, because the mean of its divisors is an integer number (742976).

Almost surely, 2^7724073 is an apocalyptic number.

It is an amenable number.

7724073 is a deficient number, since it is larger than the sum of its proper divisors (4163543).

7724073 is a wasteful number, since it uses less digits than its factorization.

7724073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 7724073 is about 2779.2216536289. The cubic root of 7724073 is about 197.6736538165.

The spelling of 7724073 in words is "seven million, seven hundred twenty-four thousand, seventy-three".