674711647 has 4 divisors (see below), whose sum is σ = 704046960. Its totient is φ = 645376336.

The previous prime is 674711633. The next prime is 674711659. The reversal of 674711647 is 746117476.

674711647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 674711647 - 2⁷ = 674711519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674711447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14667622 + ... + 14667667.

It is an arithmetic number, because the mean of its divisors is an integer number (176011740).

Almost surely, 2^674711647 is an apocalyptic number.

674711647 is a deficient number, since it is larger than the sum of its proper divisors (29335313).

674711647 is a wasteful number, since it uses less digits than its factorization.

674711647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29335312.

The product of its digits is 197568, while the sum is 43.

The square root of 674711647 is about 25975.2121646773. The cubic root of 674711647 is about 877.0803926673.

The spelling of 674711647 in words is "six hundred seventy-four million, seven hundred eleven thousand, six hundred forty-seven".