3706533 has 8 divisors (see below), whose sum is σ = 5491200. Its totient is φ = 2471004.

The previous prime is 3706529. The next prime is 3706609. The reversal of 3706533 is 3356073.

3706533 is a `hidden beast` number, since 3 + 7 + 0 + 653 + 3 = 666.

3706533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3706533 - 2² = 3706529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 137279 = 3706533 / (3 + 7 + 0 + 6 + 5 + 3 + 3).

It is an Ulam number.

3706533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3706497 and 3706506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3706133) 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, 68613 + ... + 68666.

It is an arithmetic number, because the mean of its divisors is an integer number (686400).

Almost surely, 2^3706533 is an apocalyptic number.

It is an amenable number.

3706533 is a deficient number, since it is larger than the sum of its proper divisors (1784667).

3706533 is a wasteful number, since it uses less digits than its factorization.

3706533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137288 (or 137282 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 27.

The square root of 3706533 is about 1925.2358297102. The cubic root of 3706533 is about 154.7590150496.

It can be divided in two parts, 370 and 6533, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 3706533 in words is "three million, seven hundred six thousand, five hundred thirty-three".