7333681 has 8 divisors (see below), whose sum is σ = 7788744. Its totient is φ = 6881280.

The previous prime is 7333657. The next prime is 7333687. The reversal of 7333681 is 1863337.

It can be written as a sum of positive squares in 4 ways, for example, as 2944656 + 4389025 = 1716^2 + 2095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7333681 - 2¹¹ = 7331633 is a prime.

It is a super-2 number, since 2×7333681² = 107565754019522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7333687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10561 + ... + 11233.

It is an arithmetic number, because the mean of its divisors is an integer number (973593).

Almost surely, 2^7333681 is an apocalyptic number.

It is an amenable number.

7333681 is a deficient number, since it is larger than the sum of its proper divisors (455063).

7333681 is a wasteful number, since it uses less digits than its factorization.

7333681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its digits is 9072, while the sum is 31.

The square root of 7333681 is about 2708.0769929971. The cubic root of 7333681 is about 194.2856263130.

The spelling of 7333681 in words is "seven million, three hundred thirty-three thousand, six hundred eighty-one".