7613421540 has 96 divisors (see below), whose sum is σ = 21588940800. Its totient is φ = 2004566016.

The previous prime is 7613421503. The next prime is 7613421547. The reversal of 7613421540 is 451243167.

It is not an unprimeable number, because it can be changed into a prime (7613421547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1584061 + ... + 1588859.

It is an arithmetic number, because the mean of its divisors is an integer number (224884800).

Almost surely, 2^7613421540 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 7613421540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10794470400).

7613421540 is an abundant number, since it is smaller than the sum of its proper divisors (13975519260).

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

7613421540 is a wasteful number, since it uses less digits than its factorization.

7613421540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 7613421540 is about 87254.9227264571. The cubic root of 7613421540 is about 1967.2518338504.

The spelling of 7613421540 in words is "seven billion, six hundred thirteen million, four hundred twenty-one thousand, five hundred forty".