7270313 has 4 divisors (see below), whose sum is σ = 7296468. Its totient is φ = 7244160.

The previous prime is 7270309. The next prime is 7270327. The reversal of 7270313 is 3130727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3130727 = 1381 ⋅2267.

It can be written as a sum of positive squares in 2 ways, for example, as 4214809 + 3055504 = 2053^2 + 1748^2 .

It is a cyclic number.

It is not a de Polignac number, because 7270313 - 2² = 7270309 is a prime.

It is a super-2 number, since 2×7270313² = 105714902235938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7270343) 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, 12656 + ... + 13217.

It is an arithmetic number, because the mean of its divisors is an integer number (1824117).

Almost surely, 2^7270313 is an apocalyptic number.

It is an amenable number.

7270313 is a deficient number, since it is larger than the sum of its proper divisors (26155).

7270313 is a wasteful number, since it uses less digits than its factorization.

7270313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26154.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 7270313 is about 2696.3517945550. The cubic root of 7270313 is about 193.7244200707.

The spelling of 7270313 in words is "seven million, two hundred seventy thousand, three hundred thirteen".