75474828 has 168 divisors, whose sum is σ = 233936976. Its totient is φ = 20995200.

The previous prime is 75474823. The next prime is 75474829. The reversal of 75474828 is 82847457.

It is not an unprimeable number, because it can be changed into a prime (75474823) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 416898 + ... + 417078.

It is an arithmetic number, because the mean of its divisors is an integer number (1392482).

Almost surely, 2^75474828 is an apocalyptic number.

75474828 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 75474828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116968488).

75474828 is an abundant number, since it is smaller than the sum of its proper divisors (158462148).

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

75474828 is a wasteful number, since it uses less digits than its factorization.

75474828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 210 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 75474828 is about 8687.6249919066. The cubic root of 75474828 is about 422.6044287456.

The spelling of 75474828 in words is "seventy-five million, four hundred seventy-four thousand, eight hundred twenty-eight".