674007000665 has 4 divisors (see below), whose sum is σ = 808808400804. Its totient is φ = 539205600528.

The previous prime is 674007000661. The next prime is 674007000691. The reversal of 674007000665 is 566000700476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 219627198736 + 454379801929 = 468644^2 + 674077^2 .

It is a cyclic number.

It is not a de Polignac number, because 674007000665 - 2² = 674007000661 is a prime.

It is a super-3 number, since 3×674007000665³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674007000661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67400700062 + ... + 67400700071.

It is an arithmetic number, because the mean of its divisors is an integer number (202202100201).

Almost surely, 2^674007000665 is an apocalyptic number.

It is an amenable number.

674007000665 is a deficient number, since it is larger than the sum of its proper divisors (134801400139).

674007000665 is a wasteful number, since it uses less digits than its factorization.

674007000665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134801400138.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 674007000665 in words is "six hundred seventy-four billion, seven million, six hundred sixty-five", and thus it is an aban number.