18072354 has 32 divisors (see below), whose sum is σ = 37472256. Its totient is φ = 5806080.

The previous prime is 18072347. The next prime is 18072371. The reversal of 18072354 is 45327081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27874 + ... + 28514.

It is an arithmetic number, because the mean of its divisors is an integer number (1171008).

Almost surely, 2^18072354 is an apocalyptic number.

18072354 is an abundant number, since it is smaller than the sum of its proper divisors (19399902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18072354 is a wasteful number, since it uses less digits than its factorization.

18072354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 18072354 is about 4251.1591360475. The cubic root of 18072354 is about 262.4248201940.

The spelling of 18072354 in words is "eighteen million, seventy-two thousand, three hundred fifty-four".