82345073 has 2 divisors, whose sum is σ = 82345074. Its totient is φ = 82345072.

The previous prime is 82345057. The next prime is 82345103. The reversal of 82345073 is 37054328.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47499664 + 34845409 = 6892^2 + 5903^2 .

It is a cyclic number.

It is not a de Polignac number, because 82345073 - 2⁴ = 82345057 is a prime.

It is a super-2 number, since 2×82345073² = 13561422094750658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82345033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41172536 + 41172537.

It is an arithmetic number, because the mean of its divisors is an integer number (41172537).

Almost surely, 2^82345073 is an apocalyptic number.

It is an amenable number.

82345073 is a deficient number, since it is larger than the sum of its proper divisors (1).

82345073 is an equidigital number, since it uses as much as digits as its factorization.

82345073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 82345073 is about 9074.4186039658. The cubic root of 82345073 is about 435.0567116795.

The spelling of 82345073 in words is "eighty-two million, three hundred forty-five thousand, seventy-three".