26172093 has 8 divisors (see below), whose sum is σ = 35222688. Its totient is φ = 17284784.

The previous prime is 26172077. The next prime is 26172103. The reversal of 26172093 is 39027162.

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

It is a cyclic number.

It is not a de Polignac number, because 26172093 - 2⁴ = 26172077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26172093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26172023) 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, 40446 + ... + 41087.

It is an arithmetic number, because the mean of its divisors is an integer number (4402836).

Almost surely, 2^26172093 is an apocalyptic number.

It is an amenable number.

26172093 is a deficient number, since it is larger than the sum of its proper divisors (9050595).

26172093 is a wasteful number, since it uses less digits than its factorization.

26172093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81643.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 26172093 is about 5115.8667887270. The cubic root of 26172093 is about 296.9017916061.

The spelling of 26172093 in words is "twenty-six million, one hundred seventy-two thousand, ninety-three".