7239442 has 16 divisors (see below), whose sum is σ = 12453120. Its totient is φ = 3091968.

The previous prime is 7239413. The next prime is 7239443. The reversal of 7239442 is 2449327.

It is not an unprimeable number, because it can be changed into a prime (7239443) 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 7 ways as a sum of consecutive naturals, for example, 4434 + ... + 5842.

It is an arithmetic number, because the mean of its divisors is an integer number (778320).

Almost surely, 2^7239442 is an apocalyptic number.

7239442 is a deficient number, since it is larger than the sum of its proper divisors (5213678).

7239442 is a wasteful number, since it uses less digits than its factorization.

7239442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785.

The product of its digits is 12096, while the sum is 31.

The square root of 7239442 is about 2690.6211178834. The cubic root of 7239442 is about 193.4498353180.

The spelling of 7239442 in words is "seven million, two hundred thirty-nine thousand, four hundred forty-two".