83731456 has 22 divisors (see below), whose sum is σ = 167383190. Its totient is φ = 41865216.

The previous prime is 83731433. The next prime is 83731457. The reversal of 83731456 is 65413738.

It can be written as a sum of positive squares in only one way, i.e., 57517056 + 26214400 = 7584^2 + 5120^2 .

It is a super-3 number, since 3×83731456³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (83731457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39861 + ... + 41908.

Almost surely, 2^83731456 is an apocalyptic number.

It is an amenable number.

83731456 is a deficient number, since it is larger than the sum of its proper divisors (83651734).

83731456 is an equidigital number, since it uses as much as digits as its factorization.

83731456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81789 (or 81771 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 83731456 is about 9150.4893858198. The cubic root of 83731456 is about 437.4847119556.

The spelling of 83731456 in words is "eighty-three million, seven hundred thirty-one thousand, four hundred fifty-six".