7766964 has 36 divisors (see below), whose sum is σ = 19888960. Its totient is φ = 2555280.

The previous prime is 7766963. The next prime is 7766971. The reversal of 7766964 is 4696677.

7766964 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7766963) 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, 1479 + ... + 4209.

Almost surely, 2^7766964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7766964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9944480).

7766964 is an abundant number, since it is smaller than the sum of its proper divisors (12121996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7766964 is a wasteful number, since it uses less digits than its factorization.

7766964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820 (or 2815 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 7766964 is about 2786.9273402800. The cubic root of 7766964 is about 198.0388659547.

The spelling of 7766964 in words is "seven million, seven hundred sixty-six thousand, nine hundred sixty-four".