7404242 has 8 divisors (see below), whose sum is σ = 11118000. Its totient is φ = 3698244.

The previous prime is 7404223. The next prime is 7404247. The reversal of 7404242 is 2424047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7404247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2309 + ... + 4487.

It is an arithmetic number, because the mean of its divisors is an integer number (1389750).

Almost surely, 2^7404242 is an apocalyptic number.

7404242 is a deficient number, since it is larger than the sum of its proper divisors (3713758).

7404242 is a wasteful number, since it uses less digits than its factorization.

7404242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880.

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

The square root of 7404242 is about 2721.0736851471. The cubic root of 7404242 is about 194.9067448025.

Adding to 7404242 its reverse (2424047), we get a palindrome (9828289).

The spelling of 7404242 in words is "seven million, four hundred four thousand, two hundred forty-two".