9901482772 has 12 divisors (see below), whose sum is σ = 17431354080. Its totient is φ = 4921095896.

The previous prime is 9901482769. The next prime is 9901482779. The reversal of 9901482772 is 2772841099.

It is a super-2 number, since 2×9901482772² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9901482779) 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, 7410622 + ... + 7411957.

It is an arithmetic number, because the mean of its divisors is an integer number (1452612840).

Almost surely, 2^9901482772 is an apocalyptic number.

It is an amenable number.

9901482772 is a deficient number, since it is larger than the sum of its proper divisors (7529871308).

9901482772 is a wasteful number, since it uses less digits than its factorization.

9901482772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14822750 (or 14822748 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 9901482772 is about 99506.1946413388. The cubic root of 9901482772 is about 2147.3363640475.

The spelling of 9901482772 in words is "nine billion, nine hundred one million, four hundred eighty-two thousand, seven hundred seventy-two".