270730561 has 4 divisors (see below), whose sum is σ = 270772992. Its totient is φ = 270688132.

The previous prime is 270730549. The next prime is 270730571. The reversal of 270730561 is 165037072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 270730561 - 2¹³ = 270722369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270730511) 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, 9481 + ... + 25126.

It is an arithmetic number, because the mean of its divisors is an integer number (67693248).

Almost surely, 2^270730561 is an apocalyptic number.

It is an amenable number.

270730561 is a deficient number, since it is larger than the sum of its proper divisors (42431).

270730561 is an equidigital number, since it uses as much as digits as its factorization.

270730561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42430.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 270730561 is about 16453.8919712024. The cubic root of 270730561 is about 646.9128249751.

The spelling of 270730561 in words is "two hundred seventy million, seven hundred thirty thousand, five hundred sixty-one".