7618789632 has 144 divisors (see below), whose sum is σ = 22600589760. Its totient is φ = 2264334336.

The previous prime is 7618789609. The next prime is 7618789639. The reversal of 7618789632 is 2369878167.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (7618789639) 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 15 ways as a sum of consecutive naturals, for example, 232708 + ... + 263420.

It is an arithmetic number, because the mean of its divisors is an integer number (156948540).

Almost surely, 2^7618789632 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 7618789632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11300294880).

7618789632 is an abundant number, since it is smaller than the sum of its proper divisors (14981800128).

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

7618789632 is a wasteful number, since it uses less digits than its factorization.

7618789632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30768 (or 30754 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The square root of 7618789632 is about 87285.6782754193. The cubic root of 7618789632 is about 1967.7140836533.

The spelling of 7618789632 in words is "seven billion, six hundred eighteen million, seven hundred eighty-nine thousand, six hundred thirty-two".