674512 has 10 divisors (see below), whose sum is σ = 1306898. Its totient is φ = 337248.

The previous prime is 674501. The next prime is 674533. The reversal of 674512 is 215476.

It can be written as a sum of positive squares in only one way, i.e., 484416 + 190096 = 696^2 + 436^2 .

It is a congruent number.

It is an unprimeable number.

674512 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21063 + ... + 21094.

2⁶⁷⁴⁵¹² is an apocalyptic number.

It is an amenable number.

674512 is a deficient number, since it is larger than the sum of its proper divisors (632386).

674512 is a wasteful number, since it uses less digits than its factorization.

674512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42165 (or 42159 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 674512 is about 821.2867952183. The cubic root of 674512 is about 87.6993874847.

Adding to 674512 its reverse (215476), we get a palindrome (889988).

The spelling of 674512 in words is "six hundred seventy-four thousand, five hundred twelve".