7712661 has 12 divisors (see below), whose sum is σ = 11303936. Its totient is φ = 4674120.

The previous prime is 7712641. The next prime is 7712699. The reversal of 7712661 is 1662177.

It is a happy number.

It is not a de Polignac number, because 7712661 - 2⁶ = 7712597 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 (7712641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10261 + ... + 10986.

Almost surely, 2^7712661 is an apocalyptic number.

It is an amenable number.

7712661 is a deficient number, since it is larger than the sum of its proper divisors (3591275).

7712661 is a wasteful number, since it uses less digits than its factorization.

7712661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21272 (or 21261 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 7712661 is about 2777.1678019162. The cubic root of 7712661 is about 197.5762542698.

The spelling of 7712661 in words is "seven million, seven hundred twelve thousand, six hundred sixty-one".