26078493 has 24 divisors (see below), whose sum is σ = 42223552. Its totient is φ = 14022144.

The previous prime is 26078489. The next prime is 26078509. The reversal of 26078493 is 39487062.

It is not a de Polignac number, because 26078493 - 2² = 26078489 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26078443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3921 + ... + 8217.

Almost surely, 2^26078493 is an apocalyptic number.

It is an amenable number.

26078493 is a deficient number, since it is larger than the sum of its proper divisors (16145059).

26078493 is a wasteful number, since it uses less digits than its factorization.

26078493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 26078493 is about 5106.7105851027. The cubic root of 26078493 is about 296.5474293928.

The spelling of 26078493 in words is "twenty-six million, seventy-eight thousand, four hundred ninety-three".