674087817 has 16 divisors (see below), whose sum is σ = 970357248. Its totient is φ = 413779200.

The previous prime is 674087801. The next prime is 674087831. The reversal of 674087817 is 718780476.

It is not a de Polignac number, because 674087817 - 2⁴ = 674087801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674087717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5913 + ... + 37190.

It is an arithmetic number, because the mean of its divisors is an integer number (60647328).

Almost surely, 2^674087817 is an apocalyptic number.

It is an amenable number.

674087817 is a deficient number, since it is larger than the sum of its proper divisors (296269431).

674087817 is a wasteful number, since it uses less digits than its factorization.

674087817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43520.

The product of its (nonzero) digits is 526848, while the sum is 48.

The square root of 674087817 is about 25963.2012086337. The cubic root of 674087817 is about 876.8099967732.

The spelling of 674087817 in words is "six hundred seventy-four million, eighty-seven thousand, eight hundred seventeen".