270428257 has 8 divisors (see below), whose sum is σ = 295787520. Its totient is φ = 245198160.

The previous prime is 270428243. The next prime is 270428267. The reversal of 270428257 is 752824072.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270428257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270428267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27882 + ... + 36307.

It is an arithmetic number, because the mean of its divisors is an integer number (36973440).

Almost surely, 2^270428257 is an apocalyptic number.

It is an amenable number.

270428257 is a deficient number, since it is larger than the sum of its proper divisors (25359263).

270428257 is a wasteful number, since it uses less digits than its factorization.

270428257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64583.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 270428257 is about 16444.7030073516. The cubic root of 270428257 is about 646.6719493611.

The spelling of 270428257 in words is "two hundred seventy million, four hundred twenty-eight thousand, two hundred fifty-seven".