674362243 has 2 divisors, whose sum is σ = 674362244. Its totient is φ = 674362242.

The previous prime is 674362237. The next prime is 674362261. The reversal of 674362243 is 342263476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674362243 - 2¹⁷ = 674231171 is a prime.

It is not a weakly prime, because it can be changed into another prime (674362943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337181121 + 337181122.

It is an arithmetic number, because the mean of its divisors is an integer number (337181122).

Almost surely, 2^674362243 is an apocalyptic number.

674362243 is a deficient number, since it is larger than the sum of its proper divisors (1).

674362243 is an equidigital number, since it uses as much as digits as its factorization.

674362243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 37.

The square root of 674362243 is about 25968.4855738643. The cubic root of 674362243 is about 876.9289658496.

It can be divided in two parts, 6743 and 62243, that added together give a palindrome (68986).

The spelling of 674362243 in words is "six hundred seventy-four million, three hundred sixty-two thousand, two hundred forty-three".