674772247 has 2 divisors, whose sum is σ = 674772248. Its totient is φ = 674772246.

The previous prime is 674772233. The next prime is 674772253. The reversal of 674772247 is 742277476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674772247 - 2¹⁵ = 674739479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674772197 and 674772206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674772047) 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, 337386123 + 337386124.

It is an arithmetic number, because the mean of its divisors is an integer number (337386124).

Almost surely, 2^674772247 is an apocalyptic number.

674772247 is a deficient number, since it is larger than the sum of its proper divisors (1).

674772247 is an equidigital number, since it uses as much as digits as its factorization.

674772247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 921984, while the sum is 46.

The square root of 674772247 is about 25976.3786352140. The cubic root of 674772247 is about 877.1066505415.

The spelling of 674772247 in words is "six hundred seventy-four million, seven hundred seventy-two thousand, two hundred forty-seven".