197012270 has 64 divisors (see below), whose sum is σ = 439689600. Its totient is φ = 61890048.

The previous prime is 197012239. The next prime is 197012281. The reversal of 197012270 is 72210791.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134864 + ... + 136316.

It is an arithmetic number, because the mean of its divisors is an integer number (6870150).

Almost surely, 2^197012270 is an apocalyptic number.

197012270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197012270 is an abundant number, since it is smaller than the sum of its proper divisors (242677330).

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

197012270 is a wasteful number, since it uses less digits than its factorization.

197012270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 197012270 is about 14036.1059414640. The cubic root of 197012270 is about 581.8768668389.

The spelling of 197012270 in words is "one hundred ninety-seven million, twelve thousand, two hundred seventy".