674553 has 8 divisors (see below), whose sum is σ = 981216. Its totient is φ = 408800.

The previous prime is 674551. The next prime is 674563. The reversal of 674553 is 355476.

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 674553 - 2¹ = 674551 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 674553.

It is not an unprimeable number, because it can be changed into a prime (674551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10188 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (122652).

2⁶⁷⁴⁵⁵³ is an apocalyptic number.

It is an amenable number.

674553 is a deficient number, since it is larger than the sum of its proper divisors (306663).

674553 is a wasteful number, since it uses less digits than its factorization.

674553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20455.

The product of its digits is 12600, while the sum is 30.

The square root of 674553 is about 821.3117556689. The cubic root of 674553 is about 87.7011643753.

The spelling of 674553 in words is "six hundred seventy-four thousand, five hundred fifty-three".