72286519 has 2 divisors, whose sum is σ = 72286520. Its totient is φ = 72286518.

The previous prime is 72286481. The next prime is 72286523. The reversal of 72286519 is 91568227.

It is a strong prime.

It is an emirp because it is prime and its reverse (91568227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72286519 - 2⁷ = 72286391 is a prime.

It is a super-2 number, since 2×72286519² = 10450681658274722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72286549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36143259 + 36143260.

It is an arithmetic number, because the mean of its divisors is an integer number (36143260).

Almost surely, 2^72286519 is an apocalyptic number.

72286519 is a deficient number, since it is larger than the sum of its proper divisors (1).

72286519 is an equidigital number, since it uses as much as digits as its factorization.

72286519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 72286519 is about 8502.1479050885. The cubic root of 72286519 is about 416.5678708341.

The spelling of 72286519 in words is "seventy-two million, two hundred eighty-six thousand, five hundred nineteen".