27700723 has 2 divisors, whose sum is σ = 27700724. Its totient is φ = 27700722.

The previous prime is 27700703. The next prime is 27700733. The reversal of 27700723 is 32700772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27700723 - 2¹³ = 27692531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27700691 and 27700700.

It is not a weakly prime, because it can be changed into another prime (27700703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13850361 + 13850362.

It is an arithmetic number, because the mean of its divisors is an integer number (13850362).

Almost surely, 2^27700723 is an apocalyptic number.

27700723 is a deficient number, since it is larger than the sum of its proper divisors (1).

27700723 is an equidigital number, since it uses as much as digits as its factorization.

27700723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 27700723 is about 5263.1476323584. The cubic root of 27700723 is about 302.5731371549.

The spelling of 27700723 in words is "twenty-seven million, seven hundred thousand, seven hundred twenty-three".