26872361 has 4 divisors (see below), whose sum is σ = 26884752. Its totient is φ = 26859972.

The previous prime is 26872337. The next prime is 26872367. The reversal of 26872361 is 16327862.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26872361 - 2²² = 22678057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26872367) 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, 1991 + ... + 7596.

It is an arithmetic number, because the mean of its divisors is an integer number (6721188).

Almost surely, 2^26872361 is an apocalyptic number.

It is an amenable number.

26872361 is a deficient number, since it is larger than the sum of its proper divisors (12391).

26872361 is an equidigital number, since it uses as much as digits as its factorization.

26872361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12390.

The product of its digits is 24192, while the sum is 35.

The square root of 26872361 is about 5183.8558043217. The cubic root of 26872361 is about 299.5265160660.

The spelling of 26872361 in words is "twenty-six million, eight hundred seventy-two thousand, three hundred sixty-one".