197077272 has 128 divisors (see below), whose sum is σ = 613440000. Its totient is φ = 51480576.

The previous prime is 197077247. The next prime is 197077289. The reversal of 197077272 is 272770791.

It is a super-2 number, since 2×197077272² = 77678902277923968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91504 + ... + 93632.

It is an arithmetic number, because the mean of its divisors is an integer number (4792500).

Almost surely, 2^197077272 is an apocalyptic number.

197077272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197077272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306720000).

197077272 is an abundant number, since it is smaller than the sum of its proper divisors (416362728).

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

197077272 is a wasteful number, since it uses less digits than its factorization.

197077272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 42.

The square root of 197077272 is about 14038.4212787621. The cubic root of 197077272 is about 581.9408543951.

The spelling of 197077272 in words is "one hundred ninety-seven million, seventy-seven thousand, two hundred seventy-two".