7320413 has 8 divisors (see below), whose sum is σ = 7662168. Its totient is φ = 6986304.

The previous prime is 7320409. The next prime is 7320419. The reversal of 7320413 is 3140237.

It can be written as a sum of positive squares in 4 ways, for example, as 3467044 + 3853369 = 1862^2 + 1963^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7320413 - 2² = 7320409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7320419) 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, 95 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (957771).

Almost surely, 2^7320413 is an apocalyptic number.

It is an amenable number.

7320413 is a deficient number, since it is larger than the sum of its proper divisors (341755).

7320413 is a wasteful number, since it uses less digits than its factorization.

7320413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 7320413 is about 2705.6261752134. The cubic root of 7320413 is about 194.1683892430.

The spelling of 7320413 in words is "seven million, three hundred twenty thousand, four hundred thirteen".