197766272 has 72 divisors (see below), whose sum is σ = 436926945. Its totient is φ = 89098240.

The previous prime is 197766241. The next prime is 197766323. The reversal of 197766272 is 272667791.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

197766272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 124902976 + 72863296 = 11176^2 + 8536^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9944.

It is a super-2 number, since 2×197766272² = 78222996681555968, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (444528) is a multiple of the sum of its prime divisors (126).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1750088 + ... + 1750200.

Almost surely, 2^197766272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197766272

197766272 is an abundant number, since it is smaller than the sum of its proper divisors (239160673).

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

197766272 is an equidigital number, since it uses as much as digits as its factorization.

197766272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 126 counting only the distinct ones).

The product of its digits is 444528, while the sum is 47.

The square root of 197766272 is about 14062.9396642381. The cubic root of 197766272 is about 582.6182382610.

The spelling of 197766272 in words is "one hundred ninety-seven million, seven hundred sixty-six thousand, two hundred seventy-two".