26680716 has 18 divisors (see below), whose sum is σ = 67443012. Its totient is φ = 8893560.

The previous prime is 26680711. The next prime is 26680721. The reversal of 26680716 is 61708662.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26680711) and next prime (26680721).

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: 741131 = 26680716 / (2 + 6 + 6 + 8 + 0 + 7 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (26680711) 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 5 ways as a sum of consecutive naturals, for example, 370530 + ... + 370601.

It is an arithmetic number, because the mean of its divisors is an integer number (3746834).

Almost surely, 2^26680716 is an apocalyptic number.

It is an amenable number.

26680716 is an abundant number, since it is smaller than the sum of its proper divisors (40762296).

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

26680716 is a wasteful number, since it uses less digits than its factorization.

26680716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741141 (or 741136 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 26680716 is about 5165.3379366698. The cubic root of 26680716 is about 298.8127745166.

The spelling of 26680716 in words is "twenty-six million, six hundred eighty thousand, seven hundred sixteen".