270739421 has 2 divisors, whose sum is σ = 270739422. Its totient is φ = 270739420.

The previous prime is 270739387. The next prime is 270739459. The reversal of 270739421 is 124937072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239042521 + 31696900 = 15461^2 + 5630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270739421 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 (270739321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135369710 + 135369711.

It is an arithmetic number, because the mean of its divisors is an integer number (135369711).

Almost surely, 2^270739421 is an apocalyptic number.

It is an amenable number.

270739421 is a deficient number, since it is larger than the sum of its proper divisors (1).

270739421 is an equidigital number, since it uses as much as digits as its factorization.

270739421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 270739421 is about 16454.1612062116. The cubic root of 270739421 is about 646.9198819116.

The spelling of 270739421 in words is "two hundred seventy million, seven hundred thirty-nine thousand, four hundred twenty-one".