9464721172 has 24 divisors (see below), whose sum is σ = 16919219520. Its totient is φ = 4631632320.

The previous prime is 9464721131. The next prime is 9464721173. The reversal of 9464721172 is 2711274649.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9464721173) 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 7 ways as a sum of consecutive naturals, for example, 82722 + ... + 160537.

It is an arithmetic number, because the mean of its divisors is an integer number (704967480).

Almost surely, 2^9464721172 is an apocalyptic number.

It is an amenable number.

9464721172 is a deficient number, since it is larger than the sum of its proper divisors (7454498348).

9464721172 is a wasteful number, since it uses less digits than its factorization.

9464721172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243471 (or 243469 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 9464721172 is about 97286.7985494435. The cubic root of 9464721172 is about 2115.2868754123.

The spelling of 9464721172 in words is "nine billion, four hundred sixty-four million, seven hundred twenty-one thousand, one hundred seventy-two".