1673564 has 6 divisors (see below), whose sum is σ = 2928744. Its totient is φ = 836780.

The previous prime is 1673563. The next prime is 1673569. The reversal of 1673564 is 4653761.

It is a d-powerful number, because it can be written as 1 + 6 + 7² + 3¹³ + 5⁷ + 6² + 4⁵ .

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 1673564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209192 + ... + 209199.

It is an arithmetic number, because the mean of its divisors is an integer number (488124).

2^1673564 is an apocalyptic number.

It is an amenable number.

1673564 is a deficient number, since it is larger than the sum of its proper divisors (1255180).

1673564 is a wasteful number, since it uses less digits than its factorization.

1673564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418395 (or 418393 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 1673564 is about 1293.6630163996. The cubic root of 1673564 is about 118.7264389082.

The spelling of 1673564 in words is "one million, six hundred seventy-three thousand, five hundred sixty-four".