674571 has 8 divisors (see below), whose sum is σ = 912384. Its totient is φ = 443240.

The previous prime is 674563. The next prime is 674603. The reversal of 674571 is 175476.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 674571 - 2³ = 674563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371 + ... + 1796.

It is an arithmetic number, because the mean of its divisors is an integer number (114048).

2⁶⁷⁴⁵⁷¹ is an apocalyptic number.

674571 is a deficient number, since it is larger than the sum of its proper divisors (237813).

674571 is a wasteful number, since it uses less digits than its factorization.

674571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241.

The product of its digits is 5880, while the sum is 30.

The square root of 674571 is about 821.3227136759. The cubic root of 674571 is about 87.7019444508.

Subtracting from 674571 its sum of digits (30), we obtain a triangular number (674541 = T₁₁₆₁).

The spelling of 674571 in words is "six hundred seventy-four thousand, five hundred seventy-one".