18742852 has 6 divisors (see below), whose sum is σ = 32799998. Its totient is φ = 9371424.

The previous prime is 18742849. The next prime is 18742901. The reversal of 18742852 is 25824781.

It can be written as a sum of positive squares in only one way, i.e., 15729156 + 3013696 = 3966^2 + 1736^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2342853 + ... + 2342860.

Almost surely, 2^18742852 is an apocalyptic number.

It is an amenable number.

18742852 is a deficient number, since it is larger than the sum of its proper divisors (14057146).

18742852 is a wasteful number, since it uses less digits than its factorization.

18742852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685717 (or 4685715 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 18742852 is about 4329.3015602982. The cubic root of 18742852 is about 265.6308785227.

The spelling of 18742852 in words is "eighteen million, seven hundred forty-two thousand, eight hundred fifty-two".