18072710 has 16 divisors (see below), whose sum is σ = 33945696. Its totient is φ = 6914688.

The previous prime is 18072707. The next prime is 18072739. The reversal of 18072710 is 1727081.

It is a self number, because there is not a number n which added to its sum of digits gives 18072710.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39059 + ... + 39518.

It is an arithmetic number, because the mean of its divisors is an integer number (2121606).

Almost surely, 2^18072710 is an apocalyptic number.

18072710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18072710 is a deficient number, since it is larger than the sum of its proper divisors (15872986).

18072710 is a wasteful number, since it uses less digits than its factorization.

18072710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78607.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 18072710 is about 4251.2010067744. The cubic root of 18072710 is about 262.4265433162.

Adding to 18072710 its reverse (1727081), we get a palindrome (19799791).

The spelling of 18072710 in words is "eighteen million, seventy-two thousand, seven hundred ten".