7742590328 has 64 divisors (see below), whose sum is σ = 16135096320. Its totient is φ = 3453609600.

The previous prime is 7742590327. The next prime is 7742590337. The reversal of 7742590328 is 8230952477.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7742590327) 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, 1390526 + ... + 1396082.

It is an arithmetic number, because the mean of its divisors is an integer number (252110880).

Almost surely, 2^7742590328 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 7742590328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8067548160).

7742590328 is an abundant number, since it is smaller than the sum of its proper divisors (8392505992).

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

7742590328 is a wasteful number, since it uses less digits than its factorization.

7742590328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868 (or 5864 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 7742590328 is about 87991.9901354663. The cubic root of 7742590328 is about 1978.3149224770.

The spelling of 7742590328 in words is "seven billion, seven hundred forty-two million, five hundred ninety thousand, three hundred twenty-eight".