105072718 has 4 divisors (see below), whose sum is σ = 157609080. Its totient is φ = 52536358.

The previous prime is 105072697. The next prime is 105072719. The reversal of 105072718 is 817270501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 817270501 = 6553 ⋅124717.

It is a super-2 number, since 2×105072718² = 22080552135815048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105072718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105072719) 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 as a sum of consecutive naturals, namely, 26268178 + ... + 26268181.

It is an arithmetic number, because the mean of its divisors is an integer number (39402270).

Almost surely, 2^105072718 is an apocalyptic number.

105072718 is a deficient number, since it is larger than the sum of its proper divisors (52536362).

105072718 is an equidigital number, since it uses as much as digits as its factorization.

105072718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52536361.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 105072718 is about 10250.4984269059. The cubic root of 105072718 is about 471.8782812397.

It can be divided in two parts, 10507 and 2718, that added together give a square (13225 = 115²).

The spelling of 105072718 in words is "one hundred five million, seventy-two thousand, seven hundred eighteen".