26272661 has 4 divisors (see below), whose sum is σ = 26291232. Its totient is φ = 26254092.

The previous prime is 26272591. The next prime is 26272663. The reversal of 26272661 is 16627262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26272661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26272663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6971 + ... + 10056.

It is an arithmetic number, because the mean of its divisors is an integer number (6572808).

Almost surely, 2^26272661 is an apocalyptic number.

It is an amenable number.

26272661 is a deficient number, since it is larger than the sum of its proper divisors (18571).

26272661 is a wasteful number, since it uses less digits than its factorization.

26272661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18570.

The product of its digits is 12096, while the sum is 32.

The square root of 26272661 is about 5125.6863930600. The cubic root of 26272661 is about 297.2815938123.

The spelling of 26272661 in words is "twenty-six million, two hundred seventy-two thousand, six hundred sixty-one".