674863 has 8 divisors (see below), whose sum is σ = 776480. Its totient is φ = 574560.

The previous prime is 674857. The next prime is 674867. The reversal of 674863 is 368476.

674863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 674863 - 2⁵ = 674831 is a prime.

It is the 822-nd Hogben number.

It is a Duffinian number.

674863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674867) by changing a digit.

It is a nontrivial repunit in base 821.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393 + ... + 1813.

It is an arithmetic number, because the mean of its divisors is an integer number (97060).

2⁶⁷⁴⁸⁶³ is an apocalyptic number.

674863 is a deficient number, since it is larger than the sum of its proper divisors (101617).

674863 is a wasteful number, since it uses less digits than its factorization.

674863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its digits is 24192, while the sum is 34.

The square root of 674863 is about 821.5004564819. The cubic root of 674863 is about 87.7145970718.

The spelling of 674863 in words is "six hundred seventy-four thousand, eight hundred sixty-three".