674485 has 12 divisors (see below), whose sum is σ = 941868. Its totient is φ = 462336.

The previous prime is 674483. The next prime is 674501. The reversal of 674485 is 584476.

674485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 461041 + 213444 = 679^2 + 462^2 .

It is not a de Polignac number, because 674485 - 2¹ = 674483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 674485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1132 + ... + 1621.

It is an arithmetic number, because the mean of its divisors is an integer number (78489).

2⁶⁷⁴⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

674485 is a deficient number, since it is larger than the sum of its proper divisors (267383).

674485 is a wasteful number, since it uses less digits than its factorization.

674485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772 (or 2765 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 674485 is about 821.2703574341. The cubic root of 674485 is about 87.6982172979.

Subtracting from 674485 its reverse (584476), we obtain a palindrome (90009).

The spelling of 674485 in words is "six hundred seventy-four thousand, four hundred eighty-five".