75805212 has 48 divisors (see below), whose sum is σ = 212791040. Its totient is φ = 20518272.

The previous prime is 75805201. The next prime is 75805271. The reversal of 75805212 is 21250857.

It is a self number, because there is not a number n which added to its sum of digits gives 75805212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22153 + ... + 25344.

Almost surely, 2^75805212 is an apocalyptic number.

It is an amenable number.

75805212 is an abundant number, since it is smaller than the sum of its proper divisors (136985828).

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

75805212 is a wasteful number, since it uses less digits than its factorization.

75805212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47530 (or 47528 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 75805212 is about 8706.6188615329. The cubic root of 75805212 is about 423.2201682897.

The spelling of 75805212 in words is "seventy-five million, eight hundred five thousand, two hundred twelve".