72034349 has 2 divisors, whose sum is σ = 72034350. Its totient is φ = 72034348.

The previous prime is 72034327. The next prime is 72034357. The reversal of 72034349 is 94343027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46854025 + 25180324 = 6845^2 + 5018^2 .

It is a cyclic number.

It is not a de Polignac number, because 72034349 - 2⁸ = 72034093 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72034379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36017174 + 36017175.

It is an arithmetic number, because the mean of its divisors is an integer number (36017175).

Almost surely, 2^72034349 is an apocalyptic number.

It is an amenable number.

72034349 is a deficient number, since it is larger than the sum of its proper divisors (1).

72034349 is an equidigital number, since it uses as much as digits as its factorization.

72034349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 72034349 is about 8487.3051671305. The cubic root of 72034349 is about 416.0829103884.

The spelling of 72034349 in words is "seventy-two million, thirty-four thousand, three hundred forty-nine".