82774733 has 2 divisors, whose sum is σ = 82774734. Its totient is φ = 82774732.

The previous prime is 82774693. The next prime is 82774753. The reversal of 82774733 is 33747728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55547209 + 27227524 = 7453^2 + 5218^2 .

It is a cyclic number.

It is not a de Polignac number, because 82774733 - 2¹⁴ = 82758349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82774753) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41387366 + 41387367.

It is an arithmetic number, because the mean of its divisors is an integer number (41387367).

Almost surely, 2^82774733 is an apocalyptic number.

It is an amenable number.

82774733 is a deficient number, since it is larger than the sum of its proper divisors (1).

82774733 is an equidigital number, since it uses as much as digits as its factorization.

82774733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 41.

The square root of 82774733 is about 9098.0620463921. The cubic root of 82774733 is about 435.8120788364.

The spelling of 82774733 in words is "eighty-two million, seven hundred seventy-four thousand, seven hundred thirty-three".