674247663 has 6 divisors (see below), whose sum is σ = 973913304. Its totient is φ = 449498436.

The previous prime is 674247641. The next prime is 674247671. The reversal of 674247663 is 366742476.

674247663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674247663 - 2⁵ = 674247631 is a prime.

It is a super-2 number, since 2×674247663² = 909219822121923138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674240663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37458195 + ... + 37458212.

It is an arithmetic number, because the mean of its divisors is an integer number (162318884).

Almost surely, 2^674247663 is an apocalyptic number.

674247663 is a deficient number, since it is larger than the sum of its proper divisors (299665641).

674247663 is a wasteful number, since it uses less digits than its factorization.

674247663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74916413 (or 74916410 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The square root of 674247663 is about 25966.2793445653. The cubic root of 674247663 is about 876.8792970881.

The spelling of 674247663 in words is "six hundred seventy-four million, two hundred forty-seven thousand, six hundred sixty-three".