83240743 has 2 divisors, whose sum is σ = 83240744. Its totient is φ = 83240742.

The previous prime is 83240741. The next prime is 83240747. The reversal of 83240743 is 34704238.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83240743 - 2¹ = 83240741 is a prime.

Together with 83240741, it forms a pair of twin primes.

It is equal to p_4847404 and since 83240743 and 4847404 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83240741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41620371 + 41620372.

It is an arithmetic number, because the mean of its divisors is an integer number (41620372).

Almost surely, 2^83240743 is an apocalyptic number.

83240743 is a deficient number, since it is larger than the sum of its proper divisors (1).

83240743 is an equidigital number, since it uses as much as digits as its factorization.

83240743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 83240743 is about 9123.6365008696. The cubic root of 83240743 is about 436.6284022049.

The spelling of 83240743 in words is "eighty-three million, two hundred forty thousand, seven hundred forty-three".