27426923 has 4 divisors (see below), whose sum is σ = 27541920. Its totient is φ = 27311928.

The previous prime is 27426913. The next prime is 27426929. The reversal of 27426923 is 32962472.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27426923 - 2⁶ = 27426859 is a prime.

It is a super-2 number, since 2×27426923² = 1504472210495858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27426929) 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, 57140 + ... + 57617.

It is an arithmetic number, because the mean of its divisors is an integer number (6885480).

Almost surely, 2^27426923 is an apocalyptic number.

27426923 is a deficient number, since it is larger than the sum of its proper divisors (114997).

27426923 is a wasteful number, since it uses less digits than its factorization.

27426923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114996.

The product of its digits is 36288, while the sum is 35.

The square root of 27426923 is about 5237.0719872845. The cubic root of 27426923 is about 301.5729348032.

The spelling of 27426923 in words is "twenty-seven million, four hundred twenty-six thousand, nine hundred twenty-three".