674434919 has 4 divisors (see below), whose sum is σ = 690119496. Its totient is φ = 658750344.

The previous prime is 674434909. The next prime is 674434939. The reversal of 674434919 is 919434476.

674434919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 674434919 - 2⁴ = 674434903 is a prime.

It is a super-2 number, since 2×674434919² = 909724919933073122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674434909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7842224 + ... + 7842309.

It is an arithmetic number, because the mean of its divisors is an integer number (172529874).

Almost surely, 2^674434919 is an apocalyptic number.

674434919 is a deficient number, since it is larger than the sum of its proper divisors (15684577).

674434919 is a wasteful number, since it uses less digits than its factorization.

674434919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15684576.

The product of its digits is 653184, while the sum is 47.

The square root of 674434919 is about 25969.8848476461. The cubic root of 674434919 is about 876.9604669213.

The spelling of 674434919 in words is "six hundred seventy-four million, four hundred thirty-four thousand, nine hundred nineteen".