7402256 has 10 divisors (see below), whose sum is σ = 14341902. Its totient is φ = 3701120.

The previous prime is 7402253. The next prime is 7402303. The reversal of 7402256 is 6522047.

It can be written as a sum of positive squares in only one way, i.e., 7376656 + 25600 = 2716^2 + 160^2 .

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7402253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231305 + ... + 231336.

Almost surely, 2^7402256 is an apocalyptic number.

It is an amenable number.

7402256 is a deficient number, since it is larger than the sum of its proper divisors (6939646).

7402256 is a wasteful number, since it uses less digits than its factorization.

7402256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462649 (or 462643 counting only the distinct ones).

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

The square root of 7402256 is about 2720.7087311949. The cubic root of 7402256 is about 194.8893169816.

The spelling of 7402256 in words is "seven million, four hundred two thousand, two hundred fifty-six".