9267720361 has 3 divisors (see below), whose sum is σ = 9267816631. Its totient is φ = 9267624092.

The previous prime is 9267720337. The next prime is 9267720409. The reversal of 9267720361 is 1630277629.

The square root of 9267720361 is 96269.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1630277629 = 41 ⋅39762869.

It can be written as a sum of positive squares in only one way, i.e., 9202756761 + 64963600 = 95931^2 + 8060^2 .

It is not a de Polignac number, because 9267720361 - 2⁷ = 9267720233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9267750361) 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 2 ways as a sum of consecutive naturals, for example, 48135 + ... + 144403.

Almost surely, 2^9267720361 is an apocalyptic number.

9267720361 is the 96269-th square number.

9267720361 is the 48135-th centered octagonal number.

It is an amenable number.

9267720361 is a deficient number, since it is larger than the sum of its proper divisors (96270).

9267720361 is an frugal number, since it uses more digits than its factorization.

9267720361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192538 (or 96269 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The cubic root of 9267720361 is about 2100.5078409738.

The spelling of 9267720361 in words is "nine billion, two hundred sixty-seven million, seven hundred twenty thousand, three hundred sixty-one".