4420742 has 4 divisors (see below), whose sum is σ = 6631116. Its totient is φ = 2210370.

The previous prime is 4420739. The next prime is 4420747. The reversal of 4420742 is 2470244.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105184 + ... + 1105187.

It is an arithmetic number, because the mean of its divisors is an integer number (1657779).

Almost surely, 2^4420742 is an apocalyptic number.

4420742 is a deficient number, since it is larger than the sum of its proper divisors (2210374).

4420742 is a wasteful number, since it uses less digits than its factorization.

4420742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210373.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 4420742 is about 2102.5560634618. The cubic root of 4420742 is about 164.1213408957.

Adding to 4420742 its reverse (2470244), we get a palindrome (6890986).

The spelling of 4420742 in words is "four million, four hundred twenty thousand, seven hundred forty-two".