7303681 has 12 divisors (see below), whose sum is σ = 9175936. Its totient is φ = 5690520.

The previous prime is 7303663. The next prime is 7303687. The reversal of 7303681 is 1863037.

7303681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7303681 - 2¹¹ = 7301633 is a prime.

It is a super-2 number, since 2×7303681² = 106687512299522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7303687) 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 11 ways as a sum of consecutive naturals, for example, 3465 + ... + 5158.

Almost surely, 2^7303681 is an apocalyptic number.

It is an amenable number.

7303681 is a deficient number, since it is larger than the sum of its proper divisors (1872255).

7303681 is a wasteful number, since it uses less digits than its factorization.

7303681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8652 (or 8641 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 7303681 is about 2702.5323309814. The cubic root of 7303681 is about 194.0203418639.

The spelling of 7303681 in words is "seven million, three hundred three thousand, six hundred eighty-one".