72573199 has 2 divisors, whose sum is σ = 72573200. Its totient is φ = 72573198.

The previous prime is 72573197. The next prime is 72573229. The reversal of 72573199 is 99137527.

It is a weak prime.

It is an emirp because it is prime and its reverse (99137527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72573199 - 2¹ = 72573197 is a prime.

Together with 72573197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72573197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36286599 + 36286600.

It is an arithmetic number, because the mean of its divisors is an integer number (36286600).

Almost surely, 2^72573199 is an apocalyptic number.

72573199 is a deficient number, since it is larger than the sum of its proper divisors (1).

72573199 is an equidigital number, since it uses as much as digits as its factorization.

72573199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 43.

The square root of 72573199 is about 8518.9904918365. The cubic root of 72573199 is about 417.1178311629.

The spelling of 72573199 in words is "seventy-two million, five hundred seventy-three thousand, one hundred ninety-nine".