26047728 has 60 divisors (see below), whose sum is σ = 83314608. Its totient is φ = 7441920.

The previous prime is 26047687. The next prime is 26047789. The reversal of 26047728 is 82774062.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26047692 and 26047701.

It is a congruent number.

It is an unprimeable number.

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, 11913 + ... + 13928.

Almost surely, 2^26047728 is an apocalyptic number.

26047728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26047728 is an abundant number, since it is smaller than the sum of its proper divisors (57266880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26047728 is a wasteful number, since it uses less digits than its factorization.

26047728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25862 (or 25853 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 26047728 is about 5103.6974831978. The cubic root of 26047728 is about 296.4307704072.

The spelling of 26047728 in words is "twenty-six million, forty-seven thousand, seven hundred twenty-eight".