7256971 has 8 divisors (see below), whose sum is σ = 7454160. Its totient is φ = 7062528.

The previous prime is 7256947. The next prime is 7256999. The reversal of 7256971 is 1796527.

7256971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7256971 - 2¹⁹ = 6732683 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 7256971.

It is not an unprimeable number, because it can be changed into a prime (7256911) 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, 5355 + ... + 6571.

It is an arithmetic number, because the mean of its divisors is an integer number (931770).

Almost surely, 2^7256971 is an apocalyptic number.

7256971 is a deficient number, since it is larger than the sum of its proper divisors (197189).

7256971 is a wasteful number, since it uses less digits than its factorization.

7256971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373.

The product of its digits is 26460, while the sum is 37.

The square root of 7256971 is about 2693.8765747525. The cubic root of 7256971 is about 193.6058440709.

The spelling of 7256971 in words is "seven million, two hundred fifty-six thousand, nine hundred seventy-one".