197320764 has 12 divisors (see below), whose sum is σ = 460415144. Its totient is φ = 65773584.

The previous prime is 197320759. The next prime is 197320769. The reversal of 197320764 is 467023791.

It is an interprime number because it is at equal distance from previous prime (197320759) and next prime (197320769).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197320769) 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 3 ways as a sum of consecutive naturals, for example, 8221687 + ... + 8221710.

Almost surely, 2^197320764 is an apocalyptic number.

It is an amenable number.

197320764 is an abundant number, since it is smaller than the sum of its proper divisors (263094380).

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

197320764 is a wasteful number, since it uses less digits than its factorization.

197320764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16443404 (or 16443402 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 197320764 is about 14047.0909443913. The cubic root of 197320764 is about 582.1804213839.

The spelling of 197320764 in words is "one hundred ninety-seven million, three hundred twenty thousand, seven hundred sixty-four".