674730445 has 8 divisors (see below), whose sum is σ = 812756736. Its totient is φ = 537730896.

The previous prime is 674730403. The next prime is 674730457. The reversal of 674730445 is 544037476.

674730445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 674730445 - 2¹⁵ = 674697677 is a prime.

It is a super-2 number, since 2×674730445² = 910522346819796050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674730398 and 674730407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255237 + ... + 257866.

It is an arithmetic number, because the mean of its divisors is an integer number (101594592).

Almost surely, 2^674730445 is an apocalyptic number.

It is an amenable number.

674730445 is a deficient number, since it is larger than the sum of its proper divisors (138026291).

674730445 is a wasteful number, since it uses less digits than its factorization.

674730445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513371.

The product of its (nonzero) digits is 282240, while the sum is 40.

The square root of 674730445 is about 25975.5740071322. The cubic root of 674730445 is about 877.0885379761.

The spelling of 674730445 in words is "six hundred seventy-four million, seven hundred thirty thousand, four hundred forty-five".