674429 has 16 divisors (see below), whose sum is σ = 829440. Its totient is φ = 535920.

The previous prime is 674419. The next prime is 674431. The reversal of 674429 is 924476.

It is not a de Polignac number, because 674429 - 2⁸ = 674173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674395 and 674404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674419) 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, 9464 + ... + 9534.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2⁶⁷⁴⁴²⁹ is an apocalyptic number.

It is an amenable number.

674429 is a deficient number, since it is larger than the sum of its proper divisors (155011).

674429 is a wasteful number, since it uses less digits than its factorization.

674429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160.

The product of its digits is 12096, while the sum is 32.

The square root of 674429 is about 821.2362632032. The cubic root of 674429 is about 87.6957901443.

Subtracting 674429 from its reverse (924476), we obtain a cube (250047 = 63³).

The spelling of 674429 in words is "six hundred seventy-four thousand, four hundred twenty-nine".