7085429 has 4 divisors (see below), whose sum is σ = 7630476. Its totient is φ = 6540384.

The previous prime is 7085417. The next prime is 7085437. The reversal of 7085429 is 9245807.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9245807 = 17 ⋅543871.

It can be written as a sum of positive squares in 2 ways, for example, as 4092529 + 2992900 = 2023^2 + 1730^2 .

It is a cyclic number.

It is not a de Polignac number, because 7085429 - 2¹⁶ = 7019893 is a prime.

It is a super-2 number, since 2×7085429² = 100406608228082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7085459) 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, 272504 + ... + 272529.

It is an arithmetic number, because the mean of its divisors is an integer number (1907619).

Almost surely, 2^7085429 is an apocalyptic number.

It is an amenable number.

7085429 is a deficient number, since it is larger than the sum of its proper divisors (545047).

7085429 is a wasteful number, since it uses less digits than its factorization.

7085429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545046.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 7085429 is about 2661.8469152076. The cubic root of 7085429 is about 192.0681633703.

The spelling of 7085429 in words is "seven million, eighty-five thousand, four hundred twenty-nine".