7270013 has 4 divisors (see below), whose sum is σ = 7275708. Its totient is φ = 7264320.

The previous prime is 7270009. The next prime is 7270031. The reversal of 7270013 is 3100727.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3100727 = 7 ⋅442961.

It can be written as a sum of positive squares in 2 ways, for example, as 4108729 + 3161284 = 2027^2 + 1778^2 .

It is a cyclic number.

It is not a de Polignac number, because 7270013 - 2² = 7270009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7170013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 3813.

It is an arithmetic number, because the mean of its divisors is an integer number (1818927).

Almost surely, 2^7270013 is an apocalyptic number.

It is an amenable number.

7270013 is a deficient number, since it is larger than the sum of its proper divisors (5695).

7270013 is a wasteful number, since it uses less digits than its factorization.

7270013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 7270013 is about 2696.2961632580. The cubic root of 7270013 is about 193.7217554388.

The spelling of 7270013 in words is "seven million, two hundred seventy thousand, thirteen".