197020270 has 16 divisors (see below), whose sum is σ = 356987808. Its totient is φ = 78285600.

The previous prime is 197020249. The next prime is 197020297. The reversal of 197020270 is 72020791.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 63729 + ... + 66748.

It is an arithmetic number, because the mean of its divisors is an integer number (22311738).

Almost surely, 2^197020270 is an apocalyptic number.

197020270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197020270 is a deficient number, since it is larger than the sum of its proper divisors (159967538).

197020270 is a wasteful number, since it uses less digits than its factorization.

197020270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130635.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 197020270 is about 14036.3909178962. The cubic root of 197020270 is about 581.8847427475.

The spelling of 197020270 in words is "one hundred ninety-seven million, twenty thousand, two hundred seventy".