7285663 has 16 divisors (see below), whose sum is σ = 9273600. Its totient is φ = 5674200.

The previous prime is 7285661. The next prime is 7285679. The reversal of 7285663 is 3665827.

It is not a de Polignac number, because 7285663 - 2¹ = 7285661 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7285661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2808 + ... + 4738.

It is an arithmetic number, because the mean of its divisors is an integer number (579600).

Almost surely, 2^7285663 is an apocalyptic number.

7285663 is a deficient number, since it is larger than the sum of its proper divisors (1987937).

7285663 is a wasteful number, since it uses less digits than its factorization.

7285663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963 (or 1949 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 7285663 is about 2699.1967323632. The cubic root of 7285663 is about 193.8606626921.

The spelling of 7285663 in words is "seven million, two hundred eighty-five thousand, six hundred sixty-three".