7256427 has 8 divisors (see below), whose sum is σ = 9688464. Its totient is φ = 4831008.

The previous prime is 7256401. The next prime is 7256497. The reversal of 7256427 is 7246527.

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

It is not a de Polignac number, because 7256427 - 2⁶ = 7256363 is a prime.

It is a d-powerful number, because it can be written as 7⁷ + 2⁷ + 5⁷ + 6 + 4⁸ + 2¹⁹ + 7⁸ .

It is not an unprimeable number, because it can be changed into a prime (7256497) 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, 2173 + ... + 4385.

It is an arithmetic number, because the mean of its divisors is an integer number (1211058).

Almost surely, 2^7256427 is an apocalyptic number.

7256427 is a deficient number, since it is larger than the sum of its proper divisors (2432037).

7256427 is a wasteful number, since it uses less digits than its factorization.

7256427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309.

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

The square root of 7256427 is about 2693.7756031266. The cubic root of 7256427 is about 193.6010062301.

The spelling of 7256427 in words is "seven million, two hundred fifty-six thousand, four hundred twenty-seven".