33774066772 has 12 divisors (see below), whose sum is σ = 59109417556.
Its totient is φ = 16885661760.
The previous prime is 33774066769. The next prime is 33774066773. The reversal of 33774066772 is 27766047733.
It can be written as a sum of positive squares in 2 ways, for example, as 20381559696 + 13392507076 = 142764^2 + 115726^2
It is a super-2 number, since 2×337740667722 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33774066773) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286473 + ... + 386800.
Almost surely, 233774066772 is an apocalyptic number.
It is an amenable number.
33774066772 is a deficient number, since it is larger than the sum of its proper divisors (25335350784).
33774066772 is a wasteful number, since it uses less digits than its factorization.
33774066772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 685818 (or 685816 counting only the distinct ones).
The product of its (nonzero) digits is 6223392, while the sum is 52.
The spelling of 33774066772 in words is "thirty-three billion, seven hundred seventy-four million, sixty-six thousand, seven hundred seventy-two".