674747533 has 2 divisors, whose sum is σ = 674747534. Its totient is φ = 674747532.

The previous prime is 674747471. The next prime is 674747539. The reversal of 674747533 is 335747476.

674747533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619661449 + 55086084 = 24893^2 + 7422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674747533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674747539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337373766 + 337373767.

It is an arithmetic number, because the mean of its divisors is an integer number (337373767).

Almost surely, 2^674747533 is an apocalyptic number.

It is an amenable number.

674747533 is a deficient number, since it is larger than the sum of its proper divisors (1).

674747533 is an equidigital number, since it uses as much as digits as its factorization.

674747533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 46.

The square root of 674747533 is about 25975.9029294460. The cubic root of 674747533 is about 877.0959421983.

The spelling of 674747533 in words is "six hundred seventy-four million, seven hundred forty-seven thousand, five hundred thirty-three".