82045739 has 2 divisors, whose sum is σ = 82045740. Its totient is φ = 82045738.

The previous prime is 82045729. The next prime is 82045753. The reversal of 82045739 is 93754028.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82045739 is a prime.

It is a super-2 number, since 2×82045739² = 13463006576112242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82045729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41022869 + 41022870.

It is an arithmetic number, because the mean of its divisors is an integer number (41022870).

Almost surely, 2^82045739 is an apocalyptic number.

82045739 is a deficient number, since it is larger than the sum of its proper divisors (1).

82045739 is an equidigital number, since it uses as much as digits as its factorization.

82045739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 82045739 is about 9057.9102998429. The cubic root of 82045739 is about 434.5289108953.

The spelling of 82045739 in words is "eighty-two million, forty-five thousand, seven hundred thirty-nine".