197969733 has 12 divisors (see below), whose sum is σ = 307953100. Its totient is φ = 121827456.

The previous prime is 197969729. The next prime is 197969773. The reversal of 197969733 is 337969791.

It can be written as a sum of positive squares in 2 ways, for example, as 77475204 + 120494529 = 8802^2 + 10977^2 .

It is not a de Polignac number, because 197969733 - 2² = 197969729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197969733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197969773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 845908 + ... + 846141.

Almost surely, 2^197969733 is an apocalyptic number.

197969733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

197969733 is a deficient number, since it is larger than the sum of its proper divisors (109983367).

197969733 is a wasteful number, since it uses less digits than its factorization.

197969733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692068 (or 1692065 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 54.

The square root of 197969733 is about 14070.1717473526. The cubic root of 197969733 is about 582.8179680737.

The spelling of 197969733 in words is "one hundred ninety-seven million, nine hundred sixty-nine thousand, seven hundred thirty-three".