1672564 has 12 divisors (see below), whose sum is σ = 2945124. Its totient is φ = 831104.

The previous prime is 1672553. The next prime is 1672603. The reversal of 1672564 is 4652761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1582564 + 90000 = 1258^2 + 300^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517 + ... + 1900.

It is an arithmetic number, because the mean of its divisors is an integer number (245427).

2^1672564 is an apocalyptic number.

It is an amenable number.

1672564 is a deficient number, since it is larger than the sum of its proper divisors (1272560).

1672564 is a wasteful number, since it uses less digits than its factorization.

1672564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594 (or 2592 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 1672564 is about 1293.2764592306. The cubic root of 1672564 is about 118.7027867714.

The spelling of 1672564 in words is "one million, six hundred seventy-two thousand, five hundred sixty-four".