26690345 has 16 divisors (see below), whose sum is σ = 36780480. Its totient is φ = 18388800.

The previous prime is 26690297. The next prime is 26690371. The reversal of 26690345 is 54309662.

It is not a de Polignac number, because 26690345 - 2⁸ = 26690089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11726 + ... + 13815.

It is an arithmetic number, because the mean of its divisors is an integer number (2298780).

Almost surely, 2^26690345 is an apocalyptic number.

It is an amenable number.

26690345 is a deficient number, since it is larger than the sum of its proper divisors (10090135).

26690345 is a wasteful number, since it uses less digits than its factorization.

26690345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25576.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 26690345 is about 5166.2699310044. The cubic root of 26690345 is about 298.8487171070.

The spelling of 26690345 in words is "twenty-six million, six hundred ninety thousand, three hundred forty-five".