197513974 has 32 divisors (see below), whose sum is σ = 352602432. Its totient is φ = 81216000.

The previous prime is 197513971. The next prime is 197513993. The reversal of 197513974 is 479315791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197513971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32194 + ... + 37834.

It is an arithmetic number, because the mean of its divisors is an integer number (11018826).

Almost surely, 2^197513974 is an apocalyptic number.

197513974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

197513974 is a deficient number, since it is larger than the sum of its proper divisors (155088458).

197513974 is a wasteful number, since it uses less digits than its factorization.

197513974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752.

The product of its digits is 238140, while the sum is 46.

The square root of 197513974 is about 14053.9664863696. The cubic root of 197513974 is about 582.3703767028.

The spelling of 197513974 in words is "one hundred ninety-seven million, five hundred thirteen thousand, nine hundred seventy-four".