7079813 has 4 divisors (see below), whose sum is σ = 7624428. Its totient is φ = 6535200.

The previous prime is 7079783. The next prime is 7079833. The reversal of 7079813 is 3189707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3189707 = 619 ⋅5153.

It can be written as a sum of positive squares in 2 ways, for example, as 1329409 + 5750404 = 1153^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 7079813 - 2⁸ = 7079557 is a prime.

It is a super-2 number, since 2×7079813² = 100247504229938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7079833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272288 + ... + 272313.

It is an arithmetic number, because the mean of its divisors is an integer number (1906107).

Almost surely, 2^7079813 is an apocalyptic number.

It is an amenable number.

7079813 is a deficient number, since it is larger than the sum of its proper divisors (544615).

7079813 is a wasteful number, since it uses less digits than its factorization.

7079813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544614.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 7079813 is about 2660.7917994462. The cubic root of 7079813 is about 192.0174047446.

The spelling of 7079813 in words is "seven million, seventy-nine thousand, eight hundred thirteen".