7226745 has 16 divisors (see below), whose sum is σ = 12171840. Its totient is φ = 3651264.

The previous prime is 7226741. The next prime is 7226753. The reversal of 7226745 is 5476227.

It is not a de Polignac number, because 7226745 - 2² = 7226741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7226741) 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, 12394 + ... + 12963.

It is an arithmetic number, because the mean of its divisors is an integer number (760740).

Almost surely, 2^7226745 is an apocalyptic number.

It is an amenable number.

7226745 is a deficient number, since it is larger than the sum of its proper divisors (4945095).

7226745 is a wasteful number, since it uses less digits than its factorization.

7226745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25384.

The product of its digits is 23520, while the sum is 33.

The square root of 7226745 is about 2688.2605900470. The cubic root of 7226745 is about 193.3366742057.

The spelling of 7226745 in words is "seven million, two hundred twenty-six thousand, seven hundred forty-five".