7538536 has 8 divisors (see below), whose sum is σ = 14134770. Its totient is φ = 3769264.

The previous prime is 7538533. The next prime is 7538543. The reversal of 7538536 is 6358357.

It can be written as a sum of positive squares in only one way, i.e., 7257636 + 280900 = 2694^2 + 530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 7538495 and 7538504.

It is not an unprimeable number, because it can be changed into a prime (7538533) 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 as a sum of consecutive naturals, namely, 471151 + ... + 471166.

Almost surely, 2^7538536 is an apocalyptic number.

It is an amenable number.

7538536 is a deficient number, since it is larger than the sum of its proper divisors (6596234).

7538536 is a wasteful number, since it uses less digits than its factorization.

7538536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942323 (or 942319 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 7538536 is about 2745.6394519310. The cubic root of 7538536 is about 196.0780613677.

The spelling of 7538536 in words is "seven million, five hundred thirty-eight thousand, five hundred thirty-six".