674426851 has 8 divisors (see below), whose sum is σ = 770964480. Its totient is φ = 577936968.

The previous prime is 674426821. The next prime is 674426867. The reversal of 674426851 is 158624476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 674426851 - 2²¹ = 672329699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674426798 and 674426807.

It is not an unprimeable number, because it can be changed into a prime (674426801) 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 7 ways as a sum of consecutive naturals, for example, 26670 + ... + 45388.

It is an arithmetic number, because the mean of its divisors is an integer number (96370560).

Almost surely, 2^674426851 is an apocalyptic number.

674426851 is a deficient number, since it is larger than the sum of its proper divisors (96537629).

674426851 is a wasteful number, since it uses less digits than its factorization.

674426851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23873.

The product of its digits is 322560, while the sum is 43.

The square root of 674426851 is about 25969.7295134162. The cubic root of 674426851 is about 876.9569699962.

The spelling of 674426851 in words is "six hundred seventy-four million, four hundred twenty-six thousand, eight hundred fifty-one".