7536820 has 12 divisors (see below), whose sum is σ = 15827364. Its totient is φ = 3014720.

The previous prime is 7536811. The next prime is 7536821. The reversal of 7536820 is 286357.

It can be written as a sum of positive squares in 2 ways, for example, as 4892944 + 2643876 = 2212^2 + 1626^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7536821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188401 + ... + 188440.

It is an arithmetic number, because the mean of its divisors is an integer number (1318947).

Almost surely, 2^7536820 is an apocalyptic number.

It is an amenable number.

7536820 is an abundant number, since it is smaller than the sum of its proper divisors (8290544).

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

7536820 is a wasteful number, since it uses less digits than its factorization.

7536820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376850 (or 376848 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 7536820 is about 2745.3269386359. The cubic root of 7536820 is about 196.0631824625.

The spelling of 7536820 in words is "seven million, five hundred thirty-six thousand, eight hundred twenty".