18077252 has 12 divisors (see below), whose sum is σ = 31693200. Its totient is φ = 9022056.

The previous prime is 18077233. The next prime is 18077291. The reversal of 18077252 is 25277081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502 + ... + 6197.

It is an arithmetic number, because the mean of its divisors is an integer number (2641100).

Almost surely, 2^18077252 is an apocalyptic number.

It is an amenable number.

18077252 is a deficient number, since it is larger than the sum of its proper divisors (13615948).

18077252 is a wasteful number, since it uses less digits than its factorization.

18077252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8290 (or 8288 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 18077252 is about 4251.7351751961. The cubic root of 18077252 is about 262.4485256590.

The spelling of 18077252 in words is "eighteen million, seventy-seven thousand, two hundred fifty-two".