7320087 has 6 divisors (see below), whose sum is σ = 10573472. Its totient is φ = 4880052.

The previous prime is 7320083. The next prime is 7320091. The reversal of 7320087 is 7800237.

7320087 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7320083) and next prime (7320091).

It is not a de Polignac number, because 7320087 - 2² = 7320083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7320087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7320083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 406663 + ... + 406680.

Almost surely, 2^7320087 is an apocalyptic number.

7320087 is a deficient number, since it is larger than the sum of its proper divisors (3253385).

7320087 is a wasteful number, since it uses less digits than its factorization.

7320087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813349 (or 813346 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 7320087 is about 2705.5659297086. The cubic root of 7320087 is about 194.1655068995.

The spelling of 7320087 in words is "seven million, three hundred twenty thousand, eighty-seven".