197474379 has 4 divisors (see below), whose sum is σ = 263299176. Its totient is φ = 131649584.

The previous prime is 197474377. The next prime is 197474399. The reversal of 197474379 is 973474791.

197474379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 197474379 - 2¹ = 197474377 is a prime.

It is a super-2 number, since 2×197474379² = 77992260722871282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (197474377) 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, 32912394 + ... + 32912399.

It is an arithmetic number, because the mean of its divisors is an integer number (65824794).

Almost surely, 2^197474379 is an apocalyptic number.

197474379 is a deficient number, since it is larger than the sum of its proper divisors (65824797).

197474379 is an equidigital number, since it uses as much as digits as its factorization.

197474379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65824796.

The product of its digits is 1333584, while the sum is 51.

The square root of 197474379 is about 14052.5577387179. The cubic root of 197474379 is about 582.3314587879.

The spelling of 197474379 in words is "one hundred ninety-seven million, four hundred seventy-four thousand, three hundred seventy-nine".