9772668 has 18 divisors (see below), whose sum is σ = 24703224. Its totient is φ = 3257544.

The previous prime is 9772667. The next prime is 9772703. The reversal of 9772668 is 8662779.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9772661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135696 + ... + 135767.

Almost surely, 2^9772668 is an apocalyptic number.

It is an amenable number.

9772668 is an abundant number, since it is smaller than the sum of its proper divisors (14930556).

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

9772668 is a wasteful number, since it uses less digits than its factorization.

9772668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271473 (or 271468 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 9772668 is about 3126.1266768959. The cubic root of 9772668 is about 213.7983659917.

It can be divided in two parts, 9772 and 668, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 9772668 in words is "nine million, seven hundred seventy-two thousand, six hundred sixty-eight".