7661841 has 12 divisors (see below), whose sum is σ = 11229456. Its totient is φ = 4643320.

The previous prime is 7661837. The next prime is 7661851. The reversal of 7661841 is 1481667.

It is a happy number.

7661841 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 7661841 - 2² = 7661837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (7661821) 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, 10191 + ... + 10916.

It is an arithmetic number, because the mean of its divisors is an integer number (935788).

Almost surely, 2^7661841 is an apocalyptic number.

It is an amenable number.

7661841 is a deficient number, since it is larger than the sum of its proper divisors (3567615).

7661841 is a wasteful number, since it uses less digits than its factorization.

7661841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21132 (or 21121 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 7661841 is about 2768.0030708075. The cubic root of 7661841 is about 197.1413434186.

The spelling of 7661841 in words is "seven million, six hundred sixty-one thousand, eight hundred forty-one".