18069672 has 16 divisors (see below), whose sum is σ = 45174240. Its totient is φ = 6023216.

The previous prime is 18069671. The next prime is 18069673. The reversal of 18069672 is 27696081.

It is an interprime number because it is at equal distance from previous prime (18069671) and next prime (18069673).

It is a self number, because there is not a number n which added to its sum of digits gives 18069672.

It is not an unprimeable number, because it can be changed into a prime (18069671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376428 + ... + 376475.

It is an arithmetic number, because the mean of its divisors is an integer number (2823390).

Almost surely, 2^18069672 is an apocalyptic number.

18069672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18069672 is an abundant number, since it is smaller than the sum of its proper divisors (27104568).

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

18069672 is a wasteful number, since it uses less digits than its factorization.

18069672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752912 (or 752908 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 18069672 is about 4250.8436809650. The cubic root of 18069672 is about 262.4118379673.

The spelling of 18069672 in words is "eighteen million, sixty-nine thousand, six hundred seventy-two".