75822012 has 108 divisors (see below), whose sum is σ = 227439576. Its totient is φ = 21228480.

The previous prime is 75822011. The next prime is 75822017. The reversal of 75822012 is 21022857.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75822011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 93087 + ... + 93897.

It is an arithmetic number, because the mean of its divisors is an integer number (2105922).

Almost surely, 2^75822012 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 75822012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113719788).

75822012 is an abundant number, since it is smaller than the sum of its proper divisors (151617564).

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

75822012 is a wasteful number, since it uses less digits than its factorization.

75822012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 75822012 is about 8707.5835913300. The cubic root of 75822012 is about 423.2514307559.

Adding to 75822012 its reverse (21022857), we get a palindrome (96844869).

The spelling of 75822012 in words is "seventy-five million, eight hundred twenty-two thousand, twelve".