26272491 has 8 divisors (see below), whose sum is σ = 40034304. Its totient is φ = 15012840.

The previous prime is 26272489. The next prime is 26272501. The reversal of 26272491 is 19427262.

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

It is not a de Polignac number, because 26272491 - 2¹ = 26272489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26272091) 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, 625515 + ... + 625556.

It is an arithmetic number, because the mean of its divisors is an integer number (5004288).

Almost surely, 2^26272491 is an apocalyptic number.

26272491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

26272491 is a deficient number, since it is larger than the sum of its proper divisors (13761813).

26272491 is a wasteful number, since it uses less digits than its factorization.

26272491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251081.

The product of its digits is 12096, while the sum is 33.

The square root of 26272491 is about 5125.6698098883. The cubic root of 26272491 is about 297.2809526137.

The spelling of 26272491 in words is "twenty-six million, two hundred seventy-two thousand, four hundred ninety-one".