7227730 has 16 divisors (see below), whose sum is σ = 13189464. Its totient is φ = 2851200.

The previous prime is 7227721. The next prime is 7227739. The reversal of 7227730 is 377227.

7227730 is nontrivially palindromic in base 6.

It is an interprime number because it is at equal distance from previous prime (7227721) and next prime (7227739).

It can be written as a sum of positive squares in 4 ways, for example, as 7091569 + 136161 = 2663^2 + 369^2 .

It is not an unprimeable number, because it can be changed into a prime (7227739) 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 7 ways as a sum of consecutive naturals, for example, 4221 + ... + 5680.

Almost surely, 2^7227730 is an apocalyptic number.

7227730 is a deficient number, since it is larger than the sum of its proper divisors (5961734).

7227730 is a wasteful number, since it uses less digits than its factorization.

7227730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 7227730 is about 2688.4437877702. The cubic root of 7227730 is about 193.3454576886.

The spelling of 7227730 in words is "seven million, two hundred twenty-seven thousand, seven hundred thirty".