90334709 has 4 divisors (see below), whose sum is σ = 90369804. Its totient is φ = 90299616.

The previous prime is 90334697. The next prime is 90334711. The reversal of 90334709 is 90743309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90743309 = 103 ⋅881003.

It can be written as a sum of positive squares in 2 ways, for example, as 79299025 + 11035684 = 8905^2 + 3322^2 .

It is a cyclic number.

It is not a de Polignac number, because 90334709 - 2¹² = 90330613 is a prime.

It is a super-2 number, since 2×90334709² = 16320719300229362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90334789) 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, 13352 + ... + 18945.

It is an arithmetic number, because the mean of its divisors is an integer number (22592451).

Almost surely, 2^90334709 is an apocalyptic number.

It is an amenable number.

90334709 is a deficient number, since it is larger than the sum of its proper divisors (35095).

90334709 is a wasteful number, since it uses less digits than its factorization.

90334709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35094.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 90334709 is about 9504.4573227513. The cubic root of 90334709 is about 448.6953305375.

The spelling of 90334709 in words is "ninety million, three hundred thirty-four thousand, seven hundred nine".