26730238 has 8 divisors (see below), whose sum is σ = 40263840. Its totient is φ = 13308960.

The previous prime is 26730229. The next prime is 26730241. The reversal of 26730238 is 83203762.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27483 + ... + 28438.

It is an arithmetic number, because the mean of its divisors is an integer number (5032980).

Almost surely, 2^26730238 is an apocalyptic number.

26730238 is a deficient number, since it is larger than the sum of its proper divisors (13533602).

26730238 is a wasteful number, since it uses less digits than its factorization.

26730238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56162.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 26730238 is about 5170.1293987675. The cubic root of 26730238 is about 298.9975354286.

The spelling of 26730238 in words is "twenty-six million, seven hundred thirty thousand, two hundred thirty-eight".