3645752 has 32 divisors (see below), whose sum is σ = 7899120. Its totient is φ = 1559040.

The previous prime is 3645749. The next prime is 3645767. The reversal of 3645752 is 2575463.

3645752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 278 + ... + 2714.

Almost surely, 2^3645752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3645752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3949560).

3645752 is an abundant number, since it is smaller than the sum of its proper divisors (4253368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3645752 is a wasteful number, since it uses less digits than its factorization.

3645752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 2467 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 3645752 is about 1909.3852413801. The cubic root of 3645752 is about 153.9084180280.

It can be divided in two parts, 364 and 5752, that added together give a palindrome (6116).

The spelling of 3645752 in words is "three million, six hundred forty-five thousand, seven hundred fifty-two".