7133620 has 24 divisors (see below), whose sum is σ = 16133544. Its totient is φ = 2633856.

The previous prime is 7133603. The next prime is 7133647. The reversal of 7133620 is 263317.

It can be written as a sum of positive squares in 4 ways, for example, as 142884 + 6990736 = 378^2 + 2644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7133591 and 7133600.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13459 + ... + 13978.

It is an arithmetic number, because the mean of its divisors is an integer number (672231).

Almost surely, 2^7133620 is an apocalyptic number.

It is an amenable number.

7133620 is an abundant number, since it is smaller than the sum of its proper divisors (8999924).

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

7133620 is a wasteful number, since it uses less digits than its factorization.

7133620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27459 (or 27457 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 7133620 is about 2670.8837488741. The cubic root of 7133620 is about 192.5026254772.

Adding to 7133620 its reverse (263317), we get a palindrome (7396937).

The spelling of 7133620 in words is "seven million, one hundred thirty-three thousand, six hundred twenty".