674307849 has 4 divisors (see below), whose sum is σ = 899077136. Its totient is φ = 449538564.

The previous prime is 674307841. The next prime is 674307889. The reversal of 674307849 is 948703476.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 674307849 - 2³ = 674307841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674307798 and 674307807.

It is not an unprimeable number, because it can be changed into a prime (674307841) 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, 112384639 + ... + 112384644.

It is an arithmetic number, because the mean of its divisors is an integer number (224769284).

Almost surely, 2^674307849 is an apocalyptic number.

It is an amenable number.

674307849 is a deficient number, since it is larger than the sum of its proper divisors (224769287).

674307849 is a wasteful number, since it uses less digits than its factorization.

674307849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224769286.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 674307849 is about 25967.4382448481. The cubic root of 674307849 is about 876.9053875442.

The spelling of 674307849 in words is "six hundred seventy-four million, three hundred seven thousand, eight hundred forty-nine".