90734841 has 12 divisors (see below), whose sum is σ = 134604132. Its totient is φ = 58854816.

The previous prime is 90734837. The next prime is 90734893. The reversal of 90734841 is 14843709.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80622441 + 10112400 = 8979^2 + 3180^2 .

It is not a de Polignac number, because 90734841 - 2² = 90734837 is a prime.

It is a super-2 number, since 2×90734841² = 16465622742590562, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90734796 and 90734805.

It is not an unprimeable number, because it can be changed into a prime (90734801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135906 + ... + 136571.

It is an arithmetic number, because the mean of its divisors is an integer number (11217011).

Almost surely, 2^90734841 is an apocalyptic number.

It is an amenable number.

90734841 is a deficient number, since it is larger than the sum of its proper divisors (43869291).

90734841 is a wasteful number, since it uses less digits than its factorization.

90734841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272520 (or 272517 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 90734841 is about 9525.4837672425. The cubic root of 90734841 is about 449.3568441800.

The spelling of 90734841 in words is "ninety million, seven hundred thirty-four thousand, eight hundred forty-one".