7504545828 has 96 divisors (see below), whose sum is σ = 19226188800. Its totient is φ = 2264160384.

The previous prime is 7504545809. The next prime is 7504545833. The reversal of 7504545828 is 8285454057.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4812913 + ... + 4814471.

It is an arithmetic number, because the mean of its divisors is an integer number (200272800).

Almost surely, 2^7504545828 is an apocalyptic number.

7504545828 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7504545828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9613094400).

7504545828 is an abundant number, since it is smaller than the sum of its proper divisors (11721642972).

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

7504545828 is a wasteful number, since it uses less digits than its factorization.

7504545828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 48.

The square root of 7504545828 is about 86628.7817529486. The cubic root of 7504545828 is about 1957.8292143764.

The spelling of 7504545828 in words is "seven billion, five hundred four million, five hundred forty-five thousand, eight hundred twenty-eight".