26972923 has 2 divisors, whose sum is σ = 26972924. Its totient is φ = 26972922.

The previous prime is 26972917. The next prime is 26972947. The reversal of 26972923 is 32927962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26972923 - 2²¹ = 24875771 is a prime.

It is not a weakly prime, because it can be changed into another prime (26972903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13486461 + 13486462.

It is an arithmetic number, because the mean of its divisors is an integer number (13486462).

Almost surely, 2^26972923 is an apocalyptic number.

26972923 is a deficient number, since it is larger than the sum of its proper divisors (1).

26972923 is an equidigital number, since it uses as much as digits as its factorization.

26972923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 26972923 is about 5193.5462836101. The cubic root of 26972923 is about 299.8996812724.

The spelling of 26972923 in words is "twenty-six million, nine hundred seventy-two thousand, nine hundred twenty-three".