674247 has 16 divisors (see below), whose sum is σ = 1041152. Its totient is φ = 380160.

The previous prime is 674239. The next prime is 674249. The reversal of 674247 is 742476.

674247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674247 - 2³ = 674239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1872 + ... + 2202.

It is an arithmetic number, because the mean of its divisors is an integer number (65072).

2⁶⁷⁴²⁴⁷ is an apocalyptic number.

674247 is a deficient number, since it is larger than the sum of its proper divisors (366905).

674247 is a wasteful number, since it uses less digits than its factorization.

674247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its digits is 9408, while the sum is 30.

The square root of 674247 is about 821.1254471760. The cubic root of 674247 is about 87.6879009671.

The spelling of 674247 in words is "six hundred seventy-four thousand, two hundred forty-seven".