7328813 has 8 divisors (see below), whose sum is σ = 7740000. Its totient is φ = 6920208.

The previous prime is 7328807. The next prime is 7328821. The reversal of 7328813 is 3188237.

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 7328813 - 2⁶ = 7328749 is a prime.

It is a super-2 number, since 2×7328813² = 107422999977938, which contains 22 as substring.

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 7328813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7328843) 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, 9095 + ... + 9867.

It is an arithmetic number, because the mean of its divisors is an integer number (967500).

Almost surely, 2^7328813 is an apocalyptic number.

It is an amenable number.

7328813 is a deficient number, since it is larger than the sum of its proper divisors (411187).

7328813 is a wasteful number, since it uses less digits than its factorization.

7328813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its digits is 8064, while the sum is 32.

The square root of 7328813 is about 2707.1780510340. The cubic root of 7328813 is about 194.2426287255.

The spelling of 7328813 in words is "seven million, three hundred twenty-eight thousand, eight hundred thirteen".