674613812 has 6 divisors (see below), whose sum is σ = 1180574178. Its totient is φ = 337306904.

The previous prime is 674613749. The next prime is 674613817. The reversal of 674613812 is 218316476.

It can be written as a sum of positive squares in only one way, i.e., 659667856 + 14945956 = 25684^2 + 3866^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674613817) 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 as a sum of consecutive naturals, namely, 84326723 + ... + 84326730.

It is an arithmetic number, because the mean of its divisors is an integer number (196762363).

Almost surely, 2^674613812 is an apocalyptic number.

It is an amenable number.

674613812 is a deficient number, since it is larger than the sum of its proper divisors (505960366).

674613812 is a wasteful number, since it uses less digits than its factorization.

674613812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168653457 (or 168653455 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 674613812 is about 25973.3288586581. The cubic root of 674613812 is about 877.0379976143.

The spelling of 674613812 in words is "six hundred seventy-four million, six hundred thirteen thousand, eight hundred twelve".