4742256 has 40 divisors (see below), whose sum is σ = 12649984. Its totient is φ = 1529280.

The previous prime is 4742251. The next prime is 4742261. The reversal of 4742256 is 6522474.

It is an interprime number because it is at equal distance from previous prime (4742251) and next prime (4742261).

It is a d-powerful number, because it can be written as 4⁴ + 7 + 4⁹ + 2¹⁸ + 2²² + 5⁶ + 6⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742251) 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, 106 + ... + 3081.

Almost surely, 2^4742256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4742256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6324992).

4742256 is an abundant number, since it is smaller than the sum of its proper divisors (7907728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4742256 is a wasteful number, since it uses less digits than its factorization.

4742256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229 (or 3223 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 4742256 is about 2177.6721516335. The cubic root of 4742256 is about 168.0073692913.

The spelling of 4742256 in words is "four million, seven hundred forty-two thousand, two hundred fifty-six".