18350372 has 12 divisors (see below), whose sum is σ = 32981340. Its totient is φ = 8927136.

The previous prime is 18350369. The next prime is 18350383. The reversal of 18350372 is 27305381.

It can be written as a sum of positive squares in 2 ways, for example, as 11464996 + 6885376 = 3386^2 + 2624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61847 + ... + 62142.

It is an arithmetic number, because the mean of its divisors is an integer number (2748445).

Almost surely, 2^18350372 is an apocalyptic number.

It is an amenable number.

18350372 is a deficient number, since it is larger than the sum of its proper divisors (14630968).

18350372 is a wasteful number, since it uses less digits than its factorization.

18350372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124030 (or 124028 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 18350372 is about 4283.7334184097. The cubic root of 18350372 is about 263.7636582402.

The spelling of 18350372 in words is "eighteen million, three hundred fifty thousand, three hundred seventy-two".