10421718 has 16 divisors (see below), whose sum is σ = 20983296. Its totient is φ = 3450600.

The previous prime is 10421713. The next prime is 10421779. The reversal of 10421718 is 81712401.

It is a super-2 number, since 2×10421718² = 217224412143048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421711) 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 7 ways as a sum of consecutive naturals, for example, 4846 + ... + 6657.

It is an arithmetic number, because the mean of its divisors is an integer number (1311456).

Almost surely, 2^10421718 is an apocalyptic number.

10421718 is an abundant number, since it is smaller than the sum of its proper divisors (10561578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10421718 is a wasteful number, since it uses less digits than its factorization.

10421718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11659.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 10421718 is about 3228.2685761876. The cubic root of 10421718 is about 218.4304124483.

The spelling of 10421718 in words is "ten million, four hundred twenty-one thousand, seven hundred eighteen".