105281672 has 16 divisors (see below), whose sum is σ = 205986240. Its totient is φ = 50352016.

The previous prime is 105281647. The next prime is 105281681. The reversal of 105281672 is 276182501.

It is a super-2 number, since 2×105281672² = 22168460918231168, which contains 22 as substring.

It is an unprimeable number.

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, 285908 + ... + 286275.

It is an arithmetic number, because the mean of its divisors is an integer number (12874140).

Almost surely, 2^105281672 is an apocalyptic number.

It is an amenable number.

105281672 is a deficient number, since it is larger than the sum of its proper divisors (100704568).

105281672 is a wasteful number, since it uses less digits than its factorization.

105281672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572212 (or 572208 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 105281672 is about 10260.6857470639. The cubic root of 105281672 is about 472.1908760697.

The spelling of 105281672 in words is "one hundred five million, two hundred eighty-one thousand, six hundred seventy-two".