674576 has 40 divisors (see below), whose sum is σ = 1577280. Its totient is φ = 273024.

The previous prime is 674563. The next prime is 674603. The reversal of 674576 is 675476.

It is a congruent number.

It is an unprimeable number.

674576 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (39432).

2⁶⁷⁴⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788640).

674576 is an abundant number, since it is smaller than the sum of its proper divisors (902704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674576 is a wasteful number, since it uses less digits than its factorization.

674576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 345 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 674576 is about 821.3257575408. The cubic root of 674576 is about 87.7021611360.

Subtracting from 674576 its sum of digits (35), we obtain a triangular number (674541 = T₁₁₆₁).

Subtracting 674576 from its reverse (675476), we obtain a square (900 = 30²).

The spelling of 674576 in words is "six hundred seventy-four thousand, five hundred seventy-six".