18741332 has 6 divisors (see below), whose sum is σ = 32797338. Its totient is φ = 9370664.

The previous prime is 18741319. The next prime is 18741367. The reversal of 18741332 is 23314781.

It can be written as a sum of positive squares in only one way, i.e., 16032016 + 2709316 = 4004^2 + 1646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18741295 and 18741304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2342663 + ... + 2342670.

It is an arithmetic number, because the mean of its divisors is an integer number (5466223).

Almost surely, 2^18741332 is an apocalyptic number.

It is an amenable number.

18741332 is a deficient number, since it is larger than the sum of its proper divisors (14056006).

18741332 is a wasteful number, since it uses less digits than its factorization.

18741332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685337 (or 4685335 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 18741332 is about 4329.1260087921. The cubic root of 18741332 is about 265.6236976545.

The spelling of 18741332 in words is "eighteen million, seven hundred forty-one thousand, three hundred thirty-two".