197752812 has 48 divisors (see below), whose sum is σ = 469120512. Its totient is φ = 64825920.

The previous prime is 197752811. The next prime is 197752831. The reversal of 197752812 is 218257791.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (197752811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365262 + ... + 365802.

It is an arithmetic number, because the mean of its divisors is an integer number (9773344).

Almost surely, 2^197752812 is an apocalyptic number.

197752812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197752812 is an abundant number, since it is smaller than the sum of its proper divisors (271367700).

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

197752812 is a wasteful number, since it uses less digits than its factorization.

197752812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its digits is 70560, while the sum is 42.

The square root of 197752812 is about 14062.4610932795. The cubic root of 197752812 is about 582.6050202683.

The spelling of 197752812 in words is "one hundred ninety-seven million, seven hundred fifty-two thousand, eight hundred twelve".