256070427 has 8 divisors (see below), whose sum is σ = 341652480. Its totient is φ = 170601000.

The previous prime is 256070417. The next prime is 256070459. The reversal of 256070427 is 724070652.

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

It is not a de Polignac number, because 256070427 - 2¹⁵ = 256037659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256070407) 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, 22699 + ... + 32052.

It is an arithmetic number, because the mean of its divisors is an integer number (42706560).

Almost surely, 2^256070427 is an apocalyptic number.

256070427 is a deficient number, since it is larger than the sum of its proper divisors (85582053).

256070427 is a wasteful number, since it uses less digits than its factorization.

256070427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56313.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 256070427 is about 16002.2006924048. The cubic root of 256070427 is about 635.0186424766.

The spelling of 256070427 in words is "two hundred fifty-six million, seventy thousand, four hundred twenty-seven".