72147359 has 2 divisors, whose sum is σ = 72147360. Its totient is φ = 72147358.

The previous prime is 72147349. The next prime is 72147367. The reversal of 72147359 is 95374127.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72147359 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72147349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36073679 + 36073680.

It is an arithmetic number, because the mean of its divisors is an integer number (36073680).

Almost surely, 2^72147359 is an apocalyptic number.

72147359 is a deficient number, since it is larger than the sum of its proper divisors (1).

72147359 is an equidigital number, since it uses as much as digits as its factorization.

72147359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 72147359 is about 8493.9601482465. The cubic root of 72147359 is about 416.3003851630.

The spelling of 72147359 in words is "seventy-two million, one hundred forty-seven thousand, three hundred fifty-nine".