7536649 has 4 divisors (see below), whose sum is σ = 7627536. Its totient is φ = 7445764.

The previous prime is 7536647. The next prime is 7536667. The reversal of 7536649 is 9466357.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9466357 = 1051 ⋅9007.

It is not a de Polignac number, because 7536649 - 2¹ = 7536647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7536647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45319 + ... + 45484.

It is an arithmetic number, because the mean of its divisors is an integer number (1906884).

Almost surely, 2^7536649 is an apocalyptic number.

It is an amenable number.

7536649 is a deficient number, since it is larger than the sum of its proper divisors (90887).

7536649 is an equidigital number, since it uses as much as digits as its factorization.

7536649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90886.

The product of its digits is 136080, while the sum is 40.

The square root of 7536649 is about 2745.2957946276. The cubic root of 7536649 is about 196.0616996507.

The spelling of 7536649 in words is "seven million, five hundred thirty-six thousand, six hundred forty-nine".