7347636 has 18 divisors (see below), whose sum is σ = 18573282. Its totient is φ = 2449200.

The previous prime is 7347631. The next prime is 7347647. The reversal of 7347636 is 6367437.

It can be written as a sum of positive squares in only one way, i.e., 7257636 + 90000 = 2694^2 + 300^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 204101 = 7347636 / (7 + 3 + 4 + 7 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 7347636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7347631) 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 in 5 ways as a sum of consecutive naturals, for example, 102015 + ... + 102086.

It is an arithmetic number, because the mean of its divisors is an integer number (1031849).

Almost surely, 2^7347636 is an apocalyptic number.

It is an amenable number.

7347636 is an abundant number, since it is smaller than the sum of its proper divisors (11225646).

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

7347636 is a wasteful number, since it uses less digits than its factorization.

7347636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204111 (or 204106 counting only the distinct ones).

The product of its digits is 63504, while the sum is 36.

The square root of 7347636 is about 2710.6523200145. The cubic root of 7347636 is about 194.4087812931.

The spelling of 7347636 in words is "seven million, three hundred forty-seven thousand, six hundred thirty-six".