72346193 has 2 divisors, whose sum is σ = 72346194. Its totient is φ = 72346192.

The previous prime is 72346187. The next prime is 72346217. The reversal of 72346193 is 39164327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69022864 + 3323329 = 8308^2 + 1823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72346193 is a prime.

It is a Chen prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (72346123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36173096 + 36173097.

It is an arithmetic number, because the mean of its divisors is an integer number (36173097).

Almost surely, 2^72346193 is an apocalyptic number.

It is an amenable number.

72346193 is a deficient number, since it is larger than the sum of its proper divisors (1).

72346193 is an equidigital number, since it uses as much as digits as its factorization.

72346193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 72346193 is about 8505.6565296278. The cubic root of 72346193 is about 416.6824677386.

The spelling of 72346193 in words is "seventy-two million, three hundred forty-six thousand, one hundred ninety-three".