26942530 has 8 divisors (see below), whose sum is σ = 48496572. Its totient is φ = 10777008.

The previous prime is 26942521. The next prime is 26942533. The reversal of 26942530 is 3524962.

It can be written as a sum of positive squares in 2 ways, for example, as 24790441 + 2152089 = 4979^2 + 1467^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 26942492 and 26942501.

It is not an unprimeable number, because it can be changed into a prime (26942533) by changing a digit.

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, 1347117 + ... + 1347136.

Almost surely, 2^26942530 is an apocalyptic number.

26942530 is a deficient number, since it is larger than the sum of its proper divisors (21554042).

26942530 is a wasteful number, since it uses less digits than its factorization.

26942530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694260.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 26942530 is about 5190.6194235370. The cubic root of 26942530 is about 299.7869969496.

It can be divided in two parts, 26942 and 530, that added together give a palindrome (27472).

The spelling of 26942530 in words is "twenty-six million, nine hundred forty-two thousand, five hundred thirty".