26561070 has 24 divisors (see below), whose sum is σ = 69059016. Its totient is φ = 7082928.

The previous prime is 26561027. The next prime is 26561083. The reversal of 26561070 is 7016562.

26561070 is a `hidden beast` number, since 2 + 656 + 1 + 0 + 7 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147472 + ... + 147651.

It is an arithmetic number, because the mean of its divisors is an integer number (2877459).

Almost surely, 2^26561070 is an apocalyptic number.

26561070 is an abundant number, since it is smaller than the sum of its proper divisors (42497946).

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

26561070 is a wasteful number, since it uses less digits than its factorization.

26561070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295136 (or 295133 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 26561070 is about 5153.7432997774. The cubic root of 26561070 is about 298.3654435925.

The spelling of 26561070 in words is "twenty-six million, five hundred sixty-one thousand, seventy".