18077452 has 24 divisors (see below), whose sum is σ = 32713632. Its totient is φ = 8736000.

The previous prime is 18077447. The next prime is 18077461. The reversal of 18077452 is 25477081.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14452 + ... + 15652.

It is an arithmetic number, because the mean of its divisors is an integer number (1363068).

Almost surely, 2^18077452 is an apocalyptic number.

It is an amenable number.

18077452 is a deficient number, since it is larger than the sum of its proper divisors (14636180).

18077452 is a wasteful number, since it uses less digits than its factorization.

18077452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 18077452 is about 4251.7586949402. The cubic root of 18077452 is about 262.4494935331.

The spelling of 18077452 in words is "eighteen million, seventy-seven thousand, four hundred fifty-two".