7287616 has 28 divisors (see below), whose sum is σ = 16528288. Its totient is φ = 3123072.

The previous prime is 7287607. The next prime is 7287617. The reversal of 7287616 is 6167827.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7287617) 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 3 ways as a sum of consecutive naturals, for example, 7686 + ... + 8581.

It is an arithmetic number, because the mean of its divisors is an integer number (590296).

Almost surely, 2^7287616 is an apocalyptic number.

It is an amenable number.

7287616 is an abundant number, since it is smaller than the sum of its proper divisors (9240672).

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

7287616 is a wasteful number, since it uses less digits than its factorization.

7287616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16286 (or 16276 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 7287616 is about 2699.5584824189. The cubic root of 7287616 is about 193.8779832869.

The spelling of 7287616 in words is "seven million, two hundred eighty-seven thousand, six hundred sixteen".