26678025 has 48 divisors (see below), whose sum is σ = 53478720. Its totient is φ = 12931200.

The previous prime is 26678023. The next prime is 26678051. The reversal of 26678025 is 52087662.

It is not a de Polignac number, because 26678025 - 2¹ = 26678023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26678021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5629 + ... + 9221.

It is an arithmetic number, because the mean of its divisors is an integer number (1114140).

Almost surely, 2^26678025 is an apocalyptic number.

26678025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26678025 is an abundant number, since it is smaller than the sum of its proper divisors (26800695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26678025 is a wasteful number, since it uses less digits than its factorization.

26678025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623 (or 3612 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 26678025 is about 5165.0774437563. The cubic root of 26678025 is about 298.8027281569.

The spelling of 26678025 in words is "twenty-six million, six hundred seventy-eight thousand, twenty-five".