373872197 has 2 divisors, whose sum is σ = 373872198. Its totient is φ = 373872196.

The previous prime is 373872167. The next prime is 373872209. The reversal of 373872197 is 791278373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215766721 + 158105476 = 14689^2 + 12574^2 .

It is a cyclic number.

It is not a de Polignac number, because 373872197 - 2⁶ = 373872133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373872167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186936098 + 186936099.

It is an arithmetic number, because the mean of its divisors is an integer number (186936099).

Almost surely, 2^373872197 is an apocalyptic number.

It is an amenable number.

373872197 is a deficient number, since it is larger than the sum of its proper divisors (1).

373872197 is an equidigital number, since it uses as much as digits as its factorization.

373872197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 47.

The square root of 373872197 is about 19335.7750555803. The cubic root of 373872197 is about 720.4011377101.

The spelling of 373872197 in words is "three hundred seventy-three million, eight hundred seventy-two thousand, one hundred ninety-seven".