674305 has 8 divisors (see below), whose sum is σ = 856872. Its totient is φ = 507648.

The previous prime is 674299. The next prime is 674321. The reversal of 674305 is 503476.

It can be written as a sum of positive squares in 4 ways, for example, as 82944 + 591361 = 288^2 + 769^2 .

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 674305 - 2⁵ = 674273 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 674305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3882 + ... + 4051.

It is an arithmetic number, because the mean of its divisors is an integer number (107109).

2⁶⁷⁴³⁰⁵ is an apocalyptic number.

It is an amenable number.

674305 is a deficient number, since it is larger than the sum of its proper divisors (182567).

674305 is a wasteful number, since it uses less digits than its factorization.

674305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 674305 is about 821.1607637972. The cubic root of 674305 is about 87.6904152546.

It can be divided in two parts, 674 and 305, that added together give a palindrome (979).

The spelling of 674305 in words is "six hundred seventy-four thousand, three hundred five".