7945613 has 16 divisors (see below), whose sum is σ = 9157680. Its totient is φ = 6829056.

The previous prime is 7945573. The next prime is 7945621. The reversal of 7945613 is 3165497.

It can be written as a sum of positive squares in 8 ways, for example, as 88804 + 7856809 = 298^2 + 2803^2 .

It is not a de Polignac number, because 7945613 - 2¹⁰ = 7944589 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 (7945633) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34583 + ... + 34811.

It is an arithmetic number, because the mean of its divisors is an integer number (572355).

Almost surely, 2^7945613 is an apocalyptic number.

It is an amenable number.

7945613 is a deficient number, since it is larger than the sum of its proper divisors (1212067).

7945613 is a wasteful number, since it uses less digits than its factorization.

7945613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416.

The product of its digits is 22680, while the sum is 35.

The square root of 7945613 is about 2818.7963743414. The cubic root of 7945613 is about 199.5457440387.

It can be divided in two parts, 7945 and 613, that added together give a palindrome (8558).

The spelling of 7945613 in words is "seven million, nine hundred forty-five thousand, six hundred thirteen".