7446661 has 4 divisors (see below), whose sum is σ = 7457632. Its totient is φ = 7435692.

The previous prime is 7446643. The next prime is 7446679. The reversal of 7446661 is 1666447.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (7446643) and next prime (7446679).

It is a cyclic number.

It is not a de Polignac number, because 7446661 - 2⁹ = 7446149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7446601) 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, 4395 + ... + 5848.

It is an arithmetic number, because the mean of its divisors is an integer number (1864408).

Almost surely, 2^7446661 is an apocalyptic number.

It is an amenable number.

7446661 is a deficient number, since it is larger than the sum of its proper divisors (10971).

7446661 is a wasteful number, since it uses less digits than its factorization.

7446661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10970.

The product of its digits is 24192, while the sum is 34.

The square root of 7446661 is about 2728.8570867673. The cubic root of 7446661 is about 195.2782440316.

The spelling of 7446661 in words is "seven million, four hundred forty-six thousand, six hundred sixty-one".