7224680 has 16 divisors (see below), whose sum is σ = 16255620. Its totient is φ = 2889856.

The previous prime is 7224673. The next prime is 7224689. The reversal of 7224680 is 864227.

It can be written as a sum of positive squares in 2 ways, for example, as 6770404 + 454276 = 2602^2 + 674^2 .

It is a super-2 number, since 2×7224680² = 104392002204800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7224689) 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 3 ways as a sum of consecutive naturals, for example, 90269 + ... + 90348.

Almost surely, 2^7224680 is an apocalyptic number.

It is an amenable number.

7224680 is an abundant number, since it is smaller than the sum of its proper divisors (9030940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7224680 is a wasteful number, since it uses less digits than its factorization.

7224680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180628 (or 180624 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 7224680 is about 2687.8764852575. The cubic root of 7224680 is about 193.3182575112.

The spelling of 7224680 in words is "seven million, two hundred twenty-four thousand, six hundred eighty".