26071642 has 8 divisors (see below), whose sum is σ = 41407956. Its totient is φ = 12268992.

The previous prime is 26071637. The next prime is 26071649. The reversal of 26071642 is 24617062.

It can be written as a sum of positive squares in 2 ways, for example, as 23609881 + 2461761 = 4859^2 + 1569^2 .

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 26071642.

It is not an unprimeable number, because it can be changed into a prime (26071649) 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 3 ways as a sum of consecutive naturals, for example, 383373 + ... + 383440.

Almost surely, 2^26071642 is an apocalyptic number.

26071642 is a deficient number, since it is larger than the sum of its proper divisors (15336314).

26071642 is a wasteful number, since it uses less digits than its factorization.

26071642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766832.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 26071642 is about 5106.0397569937. The cubic root of 26071642 is about 296.5214587667.

The spelling of 26071642 in words is "twenty-six million, seventy-one thousand, six hundred forty-two".