26710421 has 16 divisors (see below), whose sum is σ = 28641600. Its totient is φ = 24866688.

The previous prime is 26710403. The next prime is 26710427. The reversal of 26710421 is 12401762.

It is a de Polignac number, because none of the positive numbers 2^k-26710421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26710427) 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 15 ways as a sum of consecutive naturals, for example, 114521 + ... + 114753.

It is an arithmetic number, because the mean of its divisors is an integer number (1790100).

Almost surely, 2^26710421 is an apocalyptic number.

It is an amenable number.

26710421 is a deficient number, since it is larger than the sum of its proper divisors (1931179).

26710421 is a wasteful number, since it uses less digits than its factorization.

26710421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 26710421 is about 5168.2125536785. The cubic root of 26710421 is about 298.9236278808.

The spelling of 26710421 in words is "twenty-six million, seven hundred ten thousand, four hundred twenty-one".