75285856 has 48 divisors (see below), whose sum is σ = 158336640. Its totient is φ = 35159040.

The previous prime is 75285853. The next prime is 75285863. The reversal of 75285856 is 65858257.

It is a super-2 number, since 2×75285856² = 11335920227305472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75285851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27460 + ... + 30076.

It is an arithmetic number, because the mean of its divisors is an integer number (3298680).

Almost surely, 2^75285856 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 75285856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79168320).

75285856 is an abundant number, since it is smaller than the sum of its proper divisors (83050784).

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

75285856 is a wasteful number, since it uses less digits than its factorization.

75285856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687 (or 2679 counting only the distinct ones).

The product of its digits is 672000, while the sum is 46.

The square root of 75285856 is about 8676.7422457971. The cubic root of 75285856 is about 422.2514318153.

The spelling of 75285856 in words is "seventy-five million, two hundred eighty-five thousand, eight hundred fifty-six".