197729472 has 28 divisors (see below), whose sum is σ = 523159736. Its totient is φ = 65909760.

The previous prime is 197729471. The next prime is 197729509. The reversal of 197729472 is 274927791.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (197729471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514729 + ... + 515112.

Almost surely, 2^197729472 is an apocalyptic number.

197729472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197729472 is an abundant number, since it is smaller than the sum of its proper divisors (325430264).

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

197729472 is a wasteful number, since it uses less digits than its factorization.

197729472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029856 (or 1029846 counting only the distinct ones).

The product of its digits is 444528, while the sum is 48.

The square root of 197729472 is about 14061.6311998288. The cubic root of 197729472 is about 582.5820984936.

The spelling of 197729472 in words is "one hundred ninety-seven million, seven hundred twenty-nine thousand, four hundred seventy-two".