7285736 has 32 divisors (see below), whose sum is σ = 14100480. Its totient is φ = 3528000.

The previous prime is 7285727. The next prime is 7285739. The reversal of 7285736 is 6375827.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7285736.

It is not an unprimeable number, because it can be changed into a prime (7285739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57305 + ... + 57431.

It is an arithmetic number, because the mean of its divisors is an integer number (440640).

Almost surely, 2^7285736 is an apocalyptic number.

It is an amenable number.

7285736 is a deficient number, since it is larger than the sum of its proper divisors (6814744).

7285736 is a wasteful number, since it uses less digits than its factorization.

7285736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 301 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 7285736 is about 2699.2102548709. The cubic root of 7285736 is about 193.8613101638.

Subtracting from 7285736 its reverse (6375827), we obtain a palindrome (909909).

The spelling of 7285736 in words is "seven million, two hundred eighty-five thousand, seven hundred thirty-six".