26905668 has 24 divisors (see below), whose sum is σ = 63060480. Its totient is φ = 8928480.

The previous prime is 26905651. The next prime is 26905673. The reversal of 26905668 is 86650962.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148 + ... + 7643.

It is an arithmetic number, because the mean of its divisors is an integer number (2627520).

Almost surely, 2^26905668 is an apocalyptic number.

It is an amenable number.

26905668 is an abundant number, since it is smaller than the sum of its proper divisors (36154812).

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

26905668 is a wasteful number, since it uses less digits than its factorization.

26905668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10027 (or 10025 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 26905668 is about 5187.0673795508. The cubic root of 26905668 is about 299.6502145479.

The spelling of 26905668 in words is "twenty-six million, nine hundred five thousand, six hundred sixty-eight".