26428727 has 12 divisors (see below), whose sum is σ = 30304800. Its totient is φ = 22958208.

The previous prime is 26428673. The next prime is 26428729. The reversal of 26428727 is 72782462.

It is a happy number.

It is not a de Polignac number, because 26428727 - 2⁶ = 26428663 is a prime.

It is a super-2 number, since 2×26428727² = 1396955221681058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26428729) 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 11 ways as a sum of consecutive naturals, for example, 1727 + ... + 7472.

It is an arithmetic number, because the mean of its divisors is an integer number (2525400).

Almost surely, 2^26428727 is an apocalyptic number.

26428727 is a deficient number, since it is larger than the sum of its proper divisors (3876073).

26428727 is a wasteful number, since it uses less digits than its factorization.

26428727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9242 (or 9229 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 26428727 is about 5140.8877638011. The cubic root of 26428727 is about 297.8690737564.

The spelling of 26428727 in words is "twenty-six million, four hundred twenty-eight thousand, seven hundred twenty-seven".