18072795 has 16 divisors (see below), whose sum is σ = 31141152. Its totient is φ = 8897280.

The previous prime is 18072793. The next prime is 18072797. The reversal of 18072795 is 59727081.

It is an interprime number because it is at equal distance from previous prime (18072793) and next prime (18072797).

It is not a de Polignac number, because 18072795 - 2¹ = 18072793 is a prime.

It is a super-3 number, since 3×18072795³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (18072793) 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, 46146 + ... + 46535.

It is an arithmetic number, because the mean of its divisors is an integer number (1946322).

Almost surely, 2^18072795 is an apocalyptic number.

18072795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18072795 is a deficient number, since it is larger than the sum of its proper divisors (13068357).

18072795 is a wasteful number, since it uses less digits than its factorization.

18072795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92702.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 18072795 is about 4251.2110039376. The cubic root of 18072795 is about 262.4269547324.

The spelling of 18072795 in words is "eighteen million, seventy-two thousand, seven hundred ninety-five".