7342789 has 4 divisors (see below), whose sum is σ = 7396524. Its totient is φ = 7289056.

The previous prime is 7342787. The next prime is 7342799. The reversal of 7342789 is 9872437.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5678689 + 1664100 = 2383^2 + 1290^2 .

It is a cyclic number.

It is not a de Polignac number, because 7342789 - 2¹ = 7342787 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7342787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26662 + ... + 26935.

It is an arithmetic number, because the mean of its divisors is an integer number (1849131).

Almost surely, 2^7342789 is an apocalyptic number.

It is an amenable number.

7342789 is a deficient number, since it is larger than the sum of its proper divisors (53735).

7342789 is a wasteful number, since it uses less digits than its factorization.

7342789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53734.

The product of its digits is 84672, while the sum is 40.

The square root of 7342789 is about 2709.7581072856. The cubic root of 7342789 is about 194.3660234755.

The spelling of 7342789 in words is "seven million, three hundred forty-two thousand, seven hundred eighty-nine".