83227040 has 48 divisors (see below), whose sum is σ = 211754088. Its totient is φ = 30729216.

The previous prime is 83227031. The next prime is 83227043. The reversal of 83227040 is 4072238.

It can be written as a sum of positive squares in 4 ways, for example, as 49168144 + 34058896 = 7012^2 + 5836^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (83227043) 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, 17927 + ... + 22086.

Almost surely, 2^83227040 is an apocalyptic number.

83227040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83227040 is an abundant number, since it is smaller than the sum of its proper divisors (128527048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83227040 is a wasteful number, since it uses less digits than its factorization.

83227040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40041 (or 40033 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 83227040 is about 9122.8855084343. The cubic root of 83227040 is about 436.6044417935.

Adding to 83227040 its reverse (4072238), we get a palindrome (87299278).

It can be divided in two parts, 832 and 27040, that added together give a palindrome (27872).

The spelling of 83227040 in words is "eighty-three million, two hundred twenty-seven thousand, forty".