9771072 has 28 divisors (see below), whose sum is σ = 25853136. Its totient is φ = 3256960.

The previous prime is 9771053. The next prime is 9771089. The reversal of 9771072 is 2701779.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25254 + ... + 25637.

Almost surely, 2^9771072 is an apocalyptic number.

It is an amenable number.

9771072 is an abundant number, since it is smaller than the sum of its proper divisors (16082064).

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

9771072 is a wasteful number, since it uses less digits than its factorization.

9771072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50906 (or 50896 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 33.

The square root of 9771072 is about 3125.8713985063. The cubic root of 9771072 is about 213.7867267011.

The spelling of 9771072 in words is "nine million, seven hundred seventy-one thousand, seventy-two".