340102073 has 2 divisors, whose sum is σ = 340102074. Its totient is φ = 340102072.

The previous prime is 340101997. The next prime is 340102097. The reversal of 340102073 is 370201043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256416169 + 83685904 = 16013^2 + 9148^2 .

It is an emirp because it is prime and its reverse (370201043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340102073 - 2²² = 335907769 is a prime.

It is not a weakly prime, because it can be changed into another prime (340102673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170051036 + 170051037.

It is an arithmetic number, because the mean of its divisors is an integer number (170051037).

Almost surely, 2^340102073 is an apocalyptic number.

It is an amenable number.

340102073 is a deficient number, since it is larger than the sum of its proper divisors (1).

340102073 is an equidigital number, since it uses as much as digits as its factorization.

340102073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 340102073 is about 18441.8565497078. The cubic root of 340102073 is about 698.0230429746.

The spelling of 340102073 in words is "three hundred forty million, one hundred two thousand, seventy-three".