7326681 has 4 divisors (see below), whose sum is σ = 9768912. Its totient is φ = 4884452.

The previous prime is 7326661. The next prime is 7326691. The reversal of 7326681 is 1866237.

7326681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7326681 - 2⁶ = 7326617 is a prime.

It is a super-2 number, since 2×7326681² = 107360508951522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁷ + 3¹⁴ + 2¹⁵ + 6⁵ + 6⁸ + 8 + 1 .

7326681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7326661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221111 + ... + 1221116.

It is an arithmetic number, because the mean of its divisors is an integer number (2442228).

Almost surely, 2^7326681 is an apocalyptic number.

It is an amenable number.

7326681 is a deficient number, since it is larger than the sum of its proper divisors (2442231).

7326681 is a wasteful number, since it uses less digits than its factorization.

7326681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442230.

The product of its digits is 12096, while the sum is 33.

The square root of 7326681 is about 2706.7842544244. The cubic root of 7326681 is about 194.2237914118.

The spelling of 7326681 in words is "seven million, three hundred twenty-six thousand, six hundred eighty-one".