72722327 has 2 divisors, whose sum is σ = 72722328. Its totient is φ = 72722326.

The previous prime is 72722263. The next prime is 72722333. The reversal of 72722327 is 72322727.

It is a strong prime.

It is an emirp because it is prime and its reverse (72322727) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72722327 - 2⁶ = 72722263 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72722293 and 72722302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72722347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36361163 + 36361164.

It is an arithmetic number, because the mean of its divisors is an integer number (36361164).

Almost surely, 2^72722327 is an apocalyptic number.

72722327 is a deficient number, since it is larger than the sum of its proper divisors (1).

72722327 is an equidigital number, since it uses as much as digits as its factorization.

72722327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 32.

The square root of 72722327 is about 8527.7386803302. The cubic root of 72722327 is about 417.4033423915.

The spelling of 72722327 in words is "seventy-two million, seven hundred twenty-two thousand, three hundred twenty-seven".