806256734724 has 81 divisors (see below), whose sum is σ = 2370889629927. Its totient is φ = 230348292048.

The previous prime is 806256734711. The next prime is 806256734737. The reversal of 806256734724 is 427437652608.

The square root of 806256734724 is 897918.

It is a perfect power (a square), and thus also a powerful number.

806256734724 is a `hidden beast` number, since 8 + 0 + 6 + 2 + 567 + 3 + 4 + 72 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (806256734711) and next prime (806256734737).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 37701867 + ... + 37723245.

Almost surely, 2^806256734724 is an apocalyptic number.

806256734724 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

806256734724 is the 897918-th square number.

It is an amenable number.

806256734724 is an abundant number, since it is smaller than the sum of its proper divisors (1564632895203).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806256734724 is an equidigital number, since it uses as much as digits as its factorization.

806256734724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42782 (or 21391 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 806256734724 in words is "eight hundred six billion, two hundred fifty-six million, seven hundred thirty-four thousand, seven hundred twenty-four".