7013613720 has 128 divisors (see below), whose sum is σ = 21448152000. Its totient is φ = 1834444800.

The previous prime is 7013613713. The next prime is 7013613727. The reversal of 7013613720 is 273163107.

It is an interprime number because it is at equal distance from previous prime (7013613713) and next prime (7013613727).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7013613727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1318426 + ... + 1323734.

Almost surely, 2^7013613720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7013613720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10724076000).

7013613720 is an abundant number, since it is smaller than the sum of its proper divisors (14434538280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7013613720 is a wasteful number, since it uses less digits than its factorization.

7013613720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533 (or 5529 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 7013613720 is about 83747.3206735595. The cubic root of 7013613720 is about 1914.1704801694.

Adding to 7013613720 its reverse (273163107), we get a palindrome (7286776827).

The spelling of 7013613720 in words is "seven billion, thirteen million, six hundred thirteen thousand, seven hundred twenty".