18072952 has 16 divisors (see below), whose sum is σ = 35670600. Its totient is φ = 8560800.

The previous prime is 18072949. The next prime is 18072953. The reversal of 18072952 is 25927081.

It is a super-3 number, since 3×18072952³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18072953) 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, 59299 + ... + 59602.

Almost surely, 2^18072952 is an apocalyptic number.

It is an amenable number.

18072952 is a deficient number, since it is larger than the sum of its proper divisors (17597648).

18072952 is a wasteful number, since it uses less digits than its factorization.

18072952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118926 (or 118922 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 18072952 is about 4251.2294692242. The cubic root of 18072952 is about 262.4277146391.

The spelling of 18072952 in words is "eighteen million, seventy-two thousand, nine hundred fifty-two".