270045749 has 2 divisors, whose sum is σ = 270045750. Its totient is φ = 270045748.

The previous prime is 270045739. The next prime is 270045757. The reversal of 270045749 is 947540072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239320900 + 30724849 = 15470^2 + 5543^2 .

It is a cyclic number.

It is not a de Polignac number, because 270045749 - 2²⁰ = 268997173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270045739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135022874 + 135022875.

It is an arithmetic number, because the mean of its divisors is an integer number (135022875).

Almost surely, 2^270045749 is an apocalyptic number.

It is an amenable number.

270045749 is a deficient number, since it is larger than the sum of its proper divisors (1).

270045749 is an equidigital number, since it uses as much as digits as its factorization.

270045749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 270045749 is about 16433.0687639284. The cubic root of 270045749 is about 646.3669098489.

The spelling of 270045749 in words is "two hundred seventy million, forty-five thousand, seven hundred forty-nine".