74744800212 has 12 divisors (see below), whose sum is σ = 174404533856. Its totient is φ = 24914933400.

The previous prime is 74744800087. The next prime is 74744800237. The reversal of 74744800212 is 21200844747.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3114366664 + ... + 3114366687.

Almost surely, 2^74744800212 is an apocalyptic number.

It is an amenable number.

74744800212 is an abundant number, since it is smaller than the sum of its proper divisors (99659733644).

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

74744800212 is a wasteful number, since it uses less digits than its factorization.

74744800212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228733358 (or 6228733356 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 39.

The spelling of 74744800212 in words is "seventy-four billion, seven hundred forty-four million, eight hundred thousand, two hundred twelve".