82240757 has 2 divisors, whose sum is σ = 82240758. Its totient is φ = 82240756.

The previous prime is 82240733. The next prime is 82240813. The reversal of 82240757 is 75704228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50779876 + 31460881 = 7126^2 + 5609^2 .

It is a cyclic number.

It is not a de Polignac number, because 82240757 - 2¹⁸ = 81978613 is a prime.

It is a super-2 number, since 2×82240757² = 13527084223866098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82210757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41120378 + 41120379.

It is an arithmetic number, because the mean of its divisors is an integer number (41120379).

Almost surely, 2^82240757 is an apocalyptic number.

It is an amenable number.

82240757 is a deficient number, since it is larger than the sum of its proper divisors (1).

82240757 is an equidigital number, since it uses as much as digits as its factorization.

82240757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 82240757 is about 9068.6689762059. The cubic root of 82240757 is about 434.8729218793.

The spelling of 82240757 in words is "eighty-two million, two hundred forty thousand, seven hundred fifty-seven".