674947963 has 4 divisors (see below), whose sum is σ = 710471560. Its totient is φ = 639424368.

The previous prime is 674947937. The next prime is 674947967. The reversal of 674947963 is 369749476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674947963 - 2²¹ = 672850811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674947967) 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 in 3 ways as a sum of consecutive naturals, for example, 17761770 + ... + 17761807.

It is an arithmetic number, because the mean of its divisors is an integer number (177617890).

Almost surely, 2^674947963 is an apocalyptic number.

674947963 is a deficient number, since it is larger than the sum of its proper divisors (35523597).

674947963 is a wasteful number, since it uses less digits than its factorization.

674947963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35523596.

The product of its digits is 6858432, while the sum is 55.

The square root of 674947963 is about 25979.7606416995. The cubic root of 674947963 is about 877.1827790903.

It can be divided in two parts, 67494 and 7963, that added together give a palindrome (75457).

The spelling of 674947963 in words is "six hundred seventy-four million, nine hundred forty-seven thousand, nine hundred sixty-three".