7344542128 has 80 divisors (see below), whose sum is σ = 17758149120. Its totient is φ = 2858803200.

The previous prime is 7344542123. The next prime is 7344542129. The reversal of 7344542128 is 8212454437.

It is not an unprimeable number, because it can be changed into a prime (7344542123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733773 + ... + 1738003.

It is an arithmetic number, because the mean of its divisors is an integer number (221976864).

Almost surely, 2^7344542128 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 7344542128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8879074560).

7344542128 is an abundant number, since it is smaller than the sum of its proper divisors (10413606992).

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

7344542128 is a wasteful number, since it uses less digits than its factorization.

7344542128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666 (or 5660 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 7344542128 is about 85700.3041301488. The cubic root of 7344542128 is about 1943.8149086819.

The spelling of 7344542128 in words is "seven billion, three hundred forty-four million, five hundred forty-two thousand, one hundred twenty-eight".