74162722212 has 36 divisors (see below), whose sum is σ = 187492325020. Its totient is φ = 24717552192.

The previous prime is 74162722201. The next prime is 74162722217. The reversal of 74162722212 is 21222726147.

74162722212 is a `hidden beast` number, since 7 + 4 + 1 + 627 + 2 + 2 + 21 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66613545216 + 7549176996 = 258096^2 + 86886^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (74162722217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136614 + ... + 408642.

Almost surely, 2^74162722212 is an apocalyptic number.

It is an amenable number.

74162722212 is an abundant number, since it is smaller than the sum of its proper divisors (113329602808).

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

74162722212 is a wasteful number, since it uses less digits than its factorization.

74162722212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279612 (or 279607 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The spelling of 74162722212 in words is "seventy-four billion, one hundred sixty-two million, seven hundred twenty-two thousand, two hundred twelve".