7420256 has 24 divisors (see below), whose sum is σ = 14669424. Its totient is φ = 3694720.

The previous prime is 7420243. The next prime is 7420261. The reversal of 7420256 is 6520247.

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, 14501 + ... + 15003.

It is an arithmetic number, because the mean of its divisors is an integer number (611226).

Almost surely, 2^7420256 is an apocalyptic number.

It is an amenable number.

7420256 is a deficient number, since it is larger than the sum of its proper divisors (7249168).

7420256 is a wasteful number, since it uses less digits than its factorization.

7420256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 7420256 is about 2724.0146842482. The cubic root of 7420256 is about 195.0471593150.

Subtracting from 7420256 its reverse (6520247), we obtain a palindrome (900009).

The spelling of 7420256 in words is "seven million, four hundred twenty thousand, two hundred fifty-six".