7439442 has 64 divisors (see below), whose sum is σ = 16809984. Its totient is φ = 2185920.

The previous prime is 7439423. The next prime is 7439449. The reversal of 7439442 is 2449347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7439449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158263 + ... + 158309.

It is an arithmetic number, because the mean of its divisors is an integer number (262656).

Almost surely, 2^7439442 is an apocalyptic number.

7439442 is an abundant number, since it is smaller than the sum of its proper divisors (9370542).

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

7439442 is a wasteful number, since it uses less digits than its factorization.

7439442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143.

The product of its digits is 24192, while the sum is 33.

The square root of 7439442 is about 2727.5340511165. The cubic root of 7439442 is about 195.2151209116.

The spelling of 7439442 in words is "seven million, four hundred thirty-nine thousand, four hundred forty-two".