256750712 has 16 divisors (see below), whose sum is σ = 482014800. Its totient is φ = 128213440.

The previous prime is 256750657. The next prime is 256750729. The reversal of 256750712 is 217057652.

It is a happy number.

It is a super-2 number, since 2×256750712² = 131841856225013888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13364 + ... + 26307.

It is an arithmetic number, because the mean of its divisors is an integer number (30125925).

Almost surely, 2^256750712 is an apocalyptic number.

It is an amenable number.

256750712 is a deficient number, since it is larger than the sum of its proper divisors (225264088).

256750712 is a wasteful number, since it uses less digits than its factorization.

256750712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40486 (or 40482 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 256750712 is about 16023.4425764253. The cubic root of 256750712 is about 635.5804822752.

The spelling of 256750712 in words is "two hundred fifty-six million, seven hundred fifty thousand, seven hundred twelve".