256725370076074 has 4 divisors (see below), whose sum is σ = 385088055114114. Its totient is φ = 128362685038036.

The previous prime is 256725370076039. The next prime is 256725370076117. The reversal of 256725370076074 is 470670073527652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 214828968132025 + 41896401944049 = 14657045^2 + 6472743^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64181342519017 + ... + 64181342519020.

Almost surely, 2^{256725370076074} is an apocalyptic number.

256725370076074 is a deficient number, since it is larger than the sum of its proper divisors (128362685038040).

256725370076074 is a wasteful number, since it uses less digits than its factorization.

256725370076074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128362685038039.

The product of its (nonzero) digits is 103723200, while the sum is 61.

The spelling of 256725370076074 in words is "two hundred fifty-six trillion, seven hundred twenty-five billion, three hundred seventy million, seventy-six thousand, seventy-four".