674243047 has 4 divisors (see below), whose sum is σ = 680789200. Its totient is φ = 667696896.

The previous prime is 674243041. The next prime is 674243057. The reversal of 674243047 is 740342476.

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 674243047 - 2¹⁵ = 674210279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674242997 and 674243015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674243041) 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, 3272922 + ... + 3273127.

It is an arithmetic number, because the mean of its divisors is an integer number (170197300).

Almost surely, 2^674243047 is an apocalyptic number.

674243047 is a deficient number, since it is larger than the sum of its proper divisors (6546153).

674243047 is a wasteful number, since it uses less digits than its factorization.

674243047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546152.

The product of its (nonzero) digits is 112896, while the sum is 37.

The square root of 674243047 is about 25966.1904599038. The cubic root of 674243047 is about 876.8772960014.

The spelling of 674243047 in words is "six hundred seventy-four million, two hundred forty-three thousand, forty-seven".