3756537 has 14 divisors (see below), whose sum is σ = 5633322. Its totient is φ = 2503872.

The previous prime is 3756527. The next prime is 3756551. The reversal of 3756537 is 7356573.

It can be written as a sum of positive squares in only one way, i.e., 3370896 + 385641 = 1836^2 + 621^2 .

It is not a de Polignac number, because 3756537 - 2¹⁰ = 3755513 is a prime.

It is a super-2 number, since 2×3756537² = 28223140464738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3756517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1848 + ... + 3305.

Almost surely, 2^3756537 is an apocalyptic number.

It is an amenable number.

3756537 is a deficient number, since it is larger than the sum of its proper divisors (1876785).

3756537 is an frugal number, since it uses more digits than its factorization.

3756537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171 (or 5156 counting only the distinct ones).

The product of its digits is 66150, while the sum is 36.

The square root of 3756537 is about 1938.1787843231. The cubic root of 3756537 is about 155.4518483541.

Adding to 3756537 its sum of digits (36), we get a palindrome (3756573).

The spelling of 3756537 in words is "three million, seven hundred fifty-six thousand, five hundred thirty-seven".