26146728 has 24 divisors (see below), whose sum is σ = 70814250. Its totient is φ = 8715552.

The previous prime is 26146727. The next prime is 26146759. The reversal of 26146728 is 82764162.

It can be written as a sum of positive squares in only one way, i.e., 22297284 + 3849444 = 4722^2 + 1962^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 = 26146692 and 26146701.

It is not an unprimeable number, because it can be changed into a prime (26146727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181503 + ... + 181646.

Almost surely, 2^26146728 is an apocalyptic number.

It is an amenable number.

26146728 is an abundant number, since it is smaller than the sum of its proper divisors (44667522).

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

26146728 is a wasteful number, since it uses less digits than its factorization.

26146728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363161 (or 363154 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 26146728 is about 5113.3871357448. The cubic root of 26146728 is about 296.8058452846.

The spelling of 26146728 in words is "twenty-six million, one hundred forty-six thousand, seven hundred twenty-eight".