674619 has 8 divisors (see below), whose sum is σ = 981312. Its totient is φ = 408840.

The previous prime is 674603. The next prime is 674647. The reversal of 674619 is 916476.

It is a happy number.

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

It is not a de Polignac number, because 674619 - 2⁴ = 674603 is a prime.

It is a super-2 number, since 2×674619² = 910221590322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 20443 = 674619 / (6 + 7 + 4 + 6 + 1 + 9).

674619 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 674619.

It is not an unprimeable number, because it can be changed into a prime (674669) 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 7 ways as a sum of consecutive naturals, for example, 10189 + ... + 10254.

It is an arithmetic number, because the mean of its divisors is an integer number (122664).

2⁶⁷⁴⁶¹⁹ is an apocalyptic number.

674619 is a deficient number, since it is larger than the sum of its proper divisors (306693).

674619 is a wasteful number, since it uses less digits than its factorization.

674619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20457.

The product of its digits is 9072, while the sum is 33.

The square root of 674619 is about 821.3519343132. The cubic root of 674619 is about 87.7040245845.

The spelling of 674619 in words is "six hundred seventy-four thousand, six hundred nineteen".