19772852 has 18 divisors (see below), whose sum is σ = 38035074. Its totient is φ = 8987440.

The previous prime is 19772833. The next prime is 19772881. The reversal of 19772852 is 25827791.

It can be written as a sum of positive squares in only one way, i.e., 19749136 + 23716 = 4444^2 + 154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19943 + ... + 20910.

Almost surely, 2^19772852 is an apocalyptic number.

It is an amenable number.

19772852 is a deficient number, since it is larger than the sum of its proper divisors (18262222).

19772852 is a wasteful number, since it uses less digits than its factorization.

19772852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40879 (or 40866 counting only the distinct ones).

The product of its digits is 70560, while the sum is 41.

The square root of 19772852 is about 4446.6675162418. The cubic root of 19772852 is about 270.4102223240.

The spelling of 19772852 in words is "nineteen million, seven hundred seventy-two thousand, eight hundred fifty-two".