83700739 has 2 divisors, whose sum is σ = 83700740. Its totient is φ = 83700738.

The previous prime is 83700731. The next prime is 83700751. The reversal of 83700739 is 93700738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83700739 - 2³ = 83700731 is a prime.

It is a super-2 number, since 2×83700739² = 14011627418292242, which contains 22 as substring.

It is equal to p_4872556 and since 83700739 and 4872556 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 83700698 and 83700707.

It is not a weakly prime, because it can be changed into another prime (83700731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41850369 + 41850370.

It is an arithmetic number, because the mean of its divisors is an integer number (41850370).

Almost surely, 2^83700739 is an apocalyptic number.

83700739 is a deficient number, since it is larger than the sum of its proper divisors (1).

83700739 is an equidigital number, since it uses as much as digits as its factorization.

83700739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 83700739 is about 9148.8107970381. The cubic root of 83700739 is about 437.4312081226.

Subtracting 83700739 from its reverse (93700738), we obtain a palindrome (9999999).

The spelling of 83700739 in words is "eighty-three million, seven hundred thousand, seven hundred thirty-nine".