4458742 has 4 divisors (see below), whose sum is σ = 6688116. Its totient is φ = 2229370.

The previous prime is 4458739. The next prime is 4458793. The reversal of 4458742 is 2478544.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4³ + 4⁹ + 5³ + 8 + 7² + 4¹¹ + 2¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 4458698 and 4458707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114684 + ... + 1114687.

It is an arithmetic number, because the mean of its divisors is an integer number (1672029).

Almost surely, 2^4458742 is an apocalyptic number.

4458742 is a deficient number, since it is larger than the sum of its proper divisors (2229374).

4458742 is a wasteful number, since it uses less digits than its factorization.

4458742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229373.

The product of its digits is 35840, while the sum is 34.

The square root of 4458742 is about 2111.5733470566. The cubic root of 4458742 is about 164.5902535928.

The spelling of 4458742 in words is "four million, four hundred fifty-eight thousand, seven hundred forty-two".