83074489 has 2 divisors, whose sum is σ = 83074490. Its totient is φ = 83074488.

The previous prime is 83074477. The next prime is 83074493. The reversal of 83074489 is 98447038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65367225 + 17707264 = 8085^2 + 4208^2 .

It is a cyclic number.

It is not a de Polignac number, because 83074489 - 2⁵ = 83074457 is a prime.

It is a super-2 number, since 2×83074489² = 13802741445222242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83071489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41537244 + 41537245.

It is an arithmetic number, because the mean of its divisors is an integer number (41537245).

Almost surely, 2^83074489 is an apocalyptic number.

It is an amenable number.

83074489 is a deficient number, since it is larger than the sum of its proper divisors (1).

83074489 is an equidigital number, since it uses as much as digits as its factorization.

83074489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 83074489 is about 9114.5207773091. The cubic root of 83074489 is about 436.3375206106.

The spelling of 83074489 in words is "eighty-three million, seventy-four thousand, four hundred eighty-nine".