72594419 has 2 divisors, whose sum is σ = 72594420. Its totient is φ = 72594418.

The previous prime is 72594413. The next prime is 72594427. The reversal of 72594419 is 91449527.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72594419 is a prime.

It is a super-2 number, since 2×72594419² = 10539899339895122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72594413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36297209 + 36297210.

It is an arithmetic number, because the mean of its divisors is an integer number (36297210).

Almost surely, 2^72594419 is an apocalyptic number.

72594419 is a deficient number, since it is larger than the sum of its proper divisors (1).

72594419 is an equidigital number, since it uses as much as digits as its factorization.

72594419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 72594419 is about 8520.2358535430. The cubic root of 72594419 is about 417.1584815129.

The spelling of 72594419 in words is "seventy-two million, five hundred ninety-four thousand, four hundred nineteen".