197852720 has 40 divisors (see below), whose sum is σ = 495395376. Its totient is φ = 73052928.

The previous prime is 197852701. The next prime is 197852741. The reversal of 197852720 is 27258791.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×197852720² = 78291397622796800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94082 + ... + 96161.

Almost surely, 2^197852720 is an apocalyptic number.

197852720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197852720 is an abundant number, since it is smaller than the sum of its proper divisors (297542656).

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

197852720 is a wasteful number, since it uses less digits than its factorization.

197852720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190269 (or 190263 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 197852720 is about 14066.0129389959. The cubic root of 197852720 is about 582.7031176559.

The spelling of 197852720 in words is "one hundred ninety-seven million, eight hundred fifty-two thousand, seven hundred twenty".