26720841 has 8 divisors (see below), whose sum is σ = 40717504. Its totient is φ = 15269040.

The previous prime is 26720839. The next prime is 26720843. The reversal of 26720841 is 14802762.

It is an interprime number because it is at equal distance from previous prime (26720839) and next prime (26720843).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26720841 - 2¹ = 26720839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26720799 and 26720808.

It is not an unprimeable number, because it can be changed into a prime (26720843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636190 + ... + 636231.

It is an arithmetic number, because the mean of its divisors is an integer number (5089688).

Almost surely, 2^26720841 is an apocalyptic number.

26720841 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26720841 is a deficient number, since it is larger than the sum of its proper divisors (13996663).

26720841 is a wasteful number, since it uses less digits than its factorization.

26720841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272431.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 26720841 is about 5169.2205408553. The cubic root of 26720841 is about 298.9624938507.

The spelling of 26720841 in words is "twenty-six million, seven hundred twenty thousand, eight hundred forty-one".