7313642 has 24 divisors (see below), whose sum is σ = 13112964. Its totient is φ = 3048192.

The previous prime is 7313641. The next prime is 7313659. The reversal of 7313642 is 2463137.

It can be written as a sum of positive squares in 2 ways, for example, as 6105841 + 1207801 = 2471^2 + 1099^2 .

It is a super-4 number, since 4×7313642⁴ (a number of 29 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 7⁷ + 3¹¹ + 1 + 3¹³ + 6² + 4¹¹ + 2¹⁹ .

It is not an unprimeable number, because it can be changed into a prime (7313641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2618 + ... + 4634.

Almost surely, 2^7313642 is an apocalyptic number.

7313642 is a deficient number, since it is larger than the sum of its proper divisors (5799322).

7313642 is a wasteful number, since it uses less digits than its factorization.

7313642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2063 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 7313642 is about 2704.3746042292. The cubic root of 7313642 is about 194.1085055671.

Adding to 7313642 its reverse (2463137), we get a palindrome (9776779).

The spelling of 7313642 in words is "seven million, three hundred thirteen thousand, six hundred forty-two".