97272171 has 12 divisors (see below), whose sum is σ = 145708472. Its totient is φ = 64847952.

The previous prime is 97272169. The next prime is 97272199. The reversal of 97272171 is 17127279.

It is not a de Polignac number, because 97272171 - 2¹ = 97272169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97272121) 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 11 ways as a sum of consecutive naturals, for example, 199906 + ... + 200391.

Almost surely, 2^97272171 is an apocalyptic number.

97272171 is a deficient number, since it is larger than the sum of its proper divisors (48436301).

97272171 is an equidigital number, since it uses as much as digits as its factorization.

97272171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400312 (or 400300 counting only the distinct ones).

The product of its digits is 12348, while the sum is 36.

The square root of 97272171 is about 9862.6655119192. The cubic root of 97272171 is about 459.8994282337.

The spelling of 97272171 in words is "ninety-seven million, two hundred seventy-two thousand, one hundred seventy-one".