674255445 has 16 divisors (see below), whose sum is σ = 1142268480. Its totient is φ = 338449664.

The previous prime is 674255399. The next prime is 674255447. The reversal of 674255445 is 544552476.

It is a cyclic number.

It is not a de Polignac number, because 674255445 - 2⁶ = 674255381 is a prime.

It is a super-2 number, since 2×674255445² = 909240810224296050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 674255397 and 674255406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674255447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321815 + ... + 1322324.

It is an arithmetic number, because the mean of its divisors is an integer number (71391780).

Almost surely, 2^674255445 is an apocalyptic number.

It is an amenable number.

674255445 is a deficient number, since it is larger than the sum of its proper divisors (468013035).

674255445 is a wasteful number, since it uses less digits than its factorization.

674255445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644164.

The product of its digits is 672000, while the sum is 42.

The square root of 674255445 is about 25966.4291923245. The cubic root of 674255445 is about 876.8826706499.

The spelling of 674255445 in words is "six hundred seventy-four million, two hundred fifty-five thousand, four hundred forty-five".