7681441 has 4 divisors (see below), whose sum is σ = 7710912. Its totient is φ = 7651972.

The previous prime is 7681417. The next prime is 7681489. The reversal of 7681441 is 1441867.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1441867 = 7 ⋅205981.

It is a cyclic number.

It is not a de Polignac number, because 7681441 - 2⁵ = 7681409 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7681411) 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, 14341 + ... + 14866.

It is an arithmetic number, because the mean of its divisors is an integer number (1927728).

Almost surely, 2^7681441 is an apocalyptic number.

It is an amenable number.

7681441 is a deficient number, since it is larger than the sum of its proper divisors (29471).

7681441 is a wasteful number, since it uses less digits than its factorization.

7681441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29470.

The product of its digits is 5376, while the sum is 31.

The square root of 7681441 is about 2771.5412679590. The cubic root of 7681441 is about 197.3093047984.

It can be divided in two parts, 768 and 1441, that added together give a square (2209 = 47²).

The spelling of 7681441 in words is "seven million, six hundred eighty-one thousand, four hundred forty-one".