26720676 has 18 divisors (see below), whose sum is σ = 67544022. Its totient is φ = 8906880.

The previous prime is 26720671. The next prime is 26720677. The reversal of 26720676 is 67602762.

It can be written as a sum of positive squares in only one way, i.e., 16646400 + 10074276 = 4080^2 + 3174^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 742241 = 26720676 / (2 + 6 + 7 + 2 + 0 + 6 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 26720676.

It is not an unprimeable number, because it can be changed into a prime (26720671) 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, 371085 + ... + 371156.

Almost surely, 2^26720676 is an apocalyptic number.

It is an amenable number.

26720676 is an abundant number, since it is smaller than the sum of its proper divisors (40823346).

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

26720676 is a wasteful number, since it uses less digits than its factorization.

26720676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742251 (or 742246 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 26720676 is about 5169.2045809776. The cubic root of 26720676 is about 298.9618784894.

The spelling of 26720676 in words is "twenty-six million, seven hundred twenty thousand, six hundred seventy-six".