7255906 has 32 divisors (see below), whose sum is σ = 13495680. Its totient is φ = 2854656.

The previous prime is 7255901. The next prime is 7255909. The reversal of 7255906 is 6095527.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (7255901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9880 + ... + 10588.

It is an arithmetic number, because the mean of its divisors is an integer number (421740).

Almost surely, 2^7255906 is an apocalyptic number.

7255906 is a deficient number, since it is larger than the sum of its proper divisors (6239774).

7255906 is a wasteful number, since it uses less digits than its factorization.

7255906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 7255906 is about 2693.6788969734. The cubic root of 7255906 is about 193.5963727037.

The spelling of 7255906 in words is "seven million, two hundred fifty-five thousand, nine hundred six".