674066672 has 10 divisors (see below), whose sum is σ = 1306004208. Its totient is φ = 337033328.

The previous prime is 674066671. The next prime is 674066693. The reversal of 674066672 is 276660476.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674066671) 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, 21064568 + ... + 21064599.

Almost surely, 2^674066672 is an apocalyptic number.

It is an amenable number.

674066672 is a deficient number, since it is larger than the sum of its proper divisors (631937536).

674066672 is a wasteful number, since it uses less digits than its factorization.

674066672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42129175 (or 42129169 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 674066672 is about 25962.7939944837. The cubic root of 674066672 is about 876.8008286595.

The spelling of 674066672 in words is "six hundred seventy-four million, sixty-six thousand, six hundred seventy-two".