18234007 has 16 divisors (see below), whose sum is σ = 20749824. Its totient is φ = 15876000.

The previous prime is 18234001. The next prime is 18234017. The reversal of 18234007 is 70043281.

It is a cyclic number.

It is not a de Polignac number, because 18234007 - 2¹⁹ = 17709719 is a prime.

It is a super-2 number, since 2×18234007² = 664958022552098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18234001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28582 + ... + 29212.

It is an arithmetic number, because the mean of its divisors is an integer number (1296864).

Almost surely, 2^18234007 is an apocalyptic number.

18234007 is a deficient number, since it is larger than the sum of its proper divisors (2515817).

18234007 is a wasteful number, since it uses less digits than its factorization.

18234007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 18234007 is about 4270.1296233253. The cubic root of 18234007 is about 263.2049417731.

Adding to 18234007 its reverse (70043281), we get a palindrome (88277288).

The spelling of 18234007 in words is "eighteen million, two hundred thirty-four thousand, seven".