7933681 has 8 divisors (see below), whose sum is σ = 9126080. Its totient is φ = 6756048.

The previous prime is 7933661. The next prime is 7933693. The reversal of 7933681 is 1863397.

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 7933681 - 2¹¹ = 7931633 is a prime.

It is a super-2 number, since 2×7933681² = 125886588419522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7933681.

It is not an unprimeable number, because it can be changed into a prime (7933661) 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 7 ways as a sum of consecutive naturals, for example, 2511 + ... + 4708.

It is an arithmetic number, because the mean of its divisors is an integer number (1140760).

Almost surely, 2^7933681 is an apocalyptic number.

It is an amenable number.

7933681 is a deficient number, since it is larger than the sum of its proper divisors (1192399).

7933681 is a wasteful number, since it uses less digits than its factorization.

7933681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383.

The product of its digits is 27216, while the sum is 37.

The square root of 7933681 is about 2816.6790729510. The cubic root of 7933681 is about 199.4458074381.

The spelling of 7933681 in words is "seven million, nine hundred thirty-three thousand, six hundred eighty-one".