81833362 has 16 divisors (see below), whose sum is σ = 132437592. Its totient is φ = 37699200.

The previous prime is 81833347. The next prime is 81833363. The reversal of 81833362 is 26333818.

It can be written as a sum of positive squares in 4 ways, for example, as 78517321 + 3316041 = 8861^2 + 1821^2 .

It is not an unprimeable number, because it can be changed into a prime (81833363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13008 + ... + 18244.

Almost surely, 2^81833362 is an apocalyptic number.

81833362 is a deficient number, since it is larger than the sum of its proper divisors (50604230).

81833362 is a wasteful number, since it uses less digits than its factorization.

81833362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853.

The product of its digits is 20736, while the sum is 34.

The square root of 81833362 is about 9046.1794145374. The cubic root of 81833362 is about 434.1536580644.

The spelling of 81833362 in words is "eighty-one million, eight hundred thirty-three thousand, three hundred sixty-two".