674743 has 8 divisors (see below), whose sum is σ = 712800. Its totient is φ = 637728.

The previous prime is 674741. The next prime is 674749. The reversal of 674743 is 347476.

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 674743 - 2¹ = 674741 is a prime.

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

It is a Duffinian number.

674743 is a lucky number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674741) 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, 1318 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (89100).

2⁶⁷⁴⁷⁴³ is an apocalyptic number.

674743 is a deficient number, since it is larger than the sum of its proper divisors (38057).

674743 is a wasteful number, since it uses less digits than its factorization.

674743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its digits is 14112, while the sum is 31.

The square root of 674743 is about 821.4274161483. The cubic root of 674743 is about 87.7093978064.

The spelling of 674743 in words is "six hundred seventy-four thousand, seven hundred forty-three".