72286373 has 2 divisors, whose sum is σ = 72286374. Its totient is φ = 72286372.

The previous prime is 72286351. The next prime is 72286381. The reversal of 72286373 is 37368227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38912644 + 33373729 = 6238^2 + 5777^2 .

It is a cyclic number.

It is not a de Polignac number, because 72286373 - 2¹⁰ = 72285349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72286273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36143186 + 36143187.

It is an arithmetic number, because the mean of its divisors is an integer number (36143187).

Almost surely, 2^72286373 is an apocalyptic number.

It is an amenable number.

72286373 is a deficient number, since it is larger than the sum of its proper divisors (1).

72286373 is an equidigital number, since it uses as much as digits as its factorization.

72286373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 72286373 is about 8502.1393190185. The cubic root of 72286373 is about 416.5675903810.

The spelling of 72286373 in words is "seventy-two million, two hundred eighty-six thousand, three hundred seventy-three".