674888617 has 8 divisors (see below), whose sum is σ = 729430856. Its totient is φ = 620721792.

The previous prime is 674888587. The next prime is 674888629. The reversal of 674888617 is 716888476.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5683456 + 669205161 = 2384^2 + 25869^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674888617 is a prime.

It is a super-3 number, since 3×674888617³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674888647) 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, 90108 + ... + 97309.

It is an arithmetic number, because the mean of its divisors is an integer number (91178857).

Almost surely, 2^674888617 is an apocalyptic number.

It is an amenable number.

674888617 is a deficient number, since it is larger than the sum of its proper divisors (54542239).

674888617 is a wasteful number, since it uses less digits than its factorization.

674888617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187707.

The product of its digits is 3612672, while the sum is 55.

The square root of 674888617 is about 25978.6184582629. The cubic root of 674888617 is about 877.1570690515.

The spelling of 674888617 in words is "six hundred seventy-four million, eight hundred eighty-eight thousand, six hundred seventeen".