81627050 has 24 divisors (see below), whose sum is σ = 152510700. Its totient is φ = 32503680.

The previous prime is 81627041. The next prime is 81627053. The reversal of 81627050 is 5072618.

It can be written as a sum of positive squares in 6 ways, for example, as 55606849 + 26020201 = 7457^2 + 5101^2 .

It is not an unprimeable number, because it can be changed into a prime (81627053) 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, 7886 + ... + 15014.

Almost surely, 2^81627050 is an apocalyptic number.

81627050 is a deficient number, since it is larger than the sum of its proper divisors (70883650).

81627050 is a wasteful number, since it uses less digits than its factorization.

81627050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370 (or 7365 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 81627050 is about 9034.7689511132. The cubic root of 81627050 is about 433.7884993801.

Adding to 81627050 its reverse (5072618), we get a palindrome (86699668).

The spelling of 81627050 in words is "eighty-one million, six hundred twenty-seven thousand, fifty".