5736645 has 12 divisors (see below), whose sum is σ = 9943596. Its totient is φ = 3059520.

The previous prime is 5736611. The next prime is 5736659. The reversal of 5736645 is 5466375.

5736645 is a `hidden beast` number, since 5 + 7 + 3 + 6 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2934369 + 2802276 = 1713^2 + 1674^2 .

It is not a de Polignac number, because 5736645 - 2¹² = 5732549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 63696 + ... + 63785.

It is an arithmetic number, because the mean of its divisors is an integer number (828633).

Almost surely, 2^5736645 is an apocalyptic number.

It is an amenable number.

5736645 is a deficient number, since it is larger than the sum of its proper divisors (4206951).

5736645 is a wasteful number, since it uses less digits than its factorization.

5736645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127492 (or 127489 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 5736645 is about 2395.1294328282. The cubic root of 5736645 is about 179.0135857275.

The spelling of 5736645 in words is "five million, seven hundred thirty-six thousand, six hundred forty-five".