374274643 has 2 divisors, whose sum is σ = 374274644. Its totient is φ = 374274642.

The previous prime is 374274631. The next prime is 374274689. The reversal of 374274643 is 346472473.

It is a weak prime.

It is an emirp because it is prime and its reverse (346472473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 374274643 - 2¹⁷ = 374143571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 374274596 and 374274605.

It is not a weakly prime, because it can be changed into another prime (374274613) 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 as a sum of consecutive naturals, namely, 187137321 + 187137322.

It is an arithmetic number, because the mean of its divisors is an integer number (187137322).

Almost surely, 2^374274643 is an apocalyptic number.

374274643 is a deficient number, since it is larger than the sum of its proper divisors (1).

374274643 is an equidigital number, since it uses as much as digits as its factorization.

374274643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 40.

The square root of 374274643 is about 19346.1790284283. The cubic root of 374274643 is about 720.6595313483.

The spelling of 374274643 in words is "three hundred seventy-four million, two hundred seventy-four thousand, six hundred forty-three".