270406505 has 8 divisors (see below), whose sum is σ = 343575432. Its totient is φ = 203600128.

The previous prime is 270406501. The next prime is 270406559. The reversal of 270406505 is 505604072.

It can be written as a sum of positive squares in 4 ways, for example, as 97930816 + 172475689 = 9896^2 + 13133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 270406505 - 2² = 270406501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270406501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590542 + ... + 1590711.

It is an arithmetic number, because the mean of its divisors is an integer number (42946929).

Almost surely, 2^270406505 is an apocalyptic number.

It is an amenable number.

270406505 is a deficient number, since it is larger than the sum of its proper divisors (73168927).

270406505 is a wasteful number, since it uses less digits than its factorization.

270406505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181275.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 270406505 is about 16444.0416260723. The cubic root of 270406505 is about 646.6546104612.

The spelling of 270406505 in words is "two hundred seventy million, four hundred six thousand, five hundred five".