374732161 has 2 divisors, whose sum is σ = 374732162. Its totient is φ = 374732160.

The previous prime is 374732147. The next prime is 374732167. The reversal of 374732161 is 161237473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194769936 + 179962225 = 13956^2 + 13415^2 .

It is a cyclic number.

It is not a de Polignac number, because 374732161 - 2¹¹ = 374730113 is a prime.

It is not a weakly prime, because it can be changed into another prime (374732167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187366080 + 187366081.

It is an arithmetic number, because the mean of its divisors is an integer number (187366081).

Almost surely, 2^374732161 is an apocalyptic number.

It is an amenable number.

374732161 is a deficient number, since it is larger than the sum of its proper divisors (1).

374732161 is an equidigital number, since it uses as much as digits as its factorization.

374732161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 34.

The square root of 374732161 is about 19357.9999225127. Note that the first 4 decimals coincide. The cubic root of 374732161 is about 720.9530595151.

The spelling of 374732161 in words is "three hundred seventy-four million, seven hundred thirty-two thousand, one hundred sixty-one".