81107362 has 8 divisors (see below), whose sum is σ = 139041216. Its totient is φ = 34760292.

The previous prime is 81107339. The next prime is 81107393. The reversal of 81107362 is 26370118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 81107362.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2896678 + ... + 2896705.

It is an arithmetic number, because the mean of its divisors is an integer number (17380152).

Almost surely, 2^81107362 is an apocalyptic number.

81107362 is a deficient number, since it is larger than the sum of its proper divisors (57933854).

81107362 is a wasteful number, since it uses less digits than its factorization.

81107362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793392.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 81107362 is about 9005.9625804241. The cubic root of 81107362 is about 432.8659506431.

The spelling of 81107362 in words is "eighty-one million, one hundred seven thousand, three hundred sixty-two".