26690371 has 2 divisors, whose sum is σ = 26690372. Its totient is φ = 26690370.

The previous prime is 26690297. The next prime is 26690381. The reversal of 26690371 is 17309662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26690371 - 2¹³ = 26682179 is a prime.

It is not a weakly prime, because it can be changed into another prime (26690381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13345185 + 13345186.

It is an arithmetic number, because the mean of its divisors is an integer number (13345186).

Almost surely, 2^26690371 is an apocalyptic number.

26690371 is a deficient number, since it is larger than the sum of its proper divisors (1).

26690371 is an equidigital number, since it uses as much as digits as its factorization.

26690371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 26690371 is about 5166.2724473260. The cubic root of 26690371 is about 298.8488141467.

The spelling of 26690371 in words is "twenty-six million, six hundred ninety thousand, three hundred seventy-one".