72322337 has 2 divisors, whose sum is σ = 72322338. Its totient is φ = 72322336.

The previous prime is 72322297. The next prime is 72322357. The reversal of 72322337 is 73322327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66324736 + 5997601 = 8144^2 + 2449^2 .

It is a cyclic number.

It is not a de Polignac number, because 72322337 - 2¹² = 72318241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72322357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36161168 + 36161169.

It is an arithmetic number, because the mean of its divisors is an integer number (36161169).

Almost surely, 2^72322337 is an apocalyptic number.

It is an amenable number.

72322337 is a deficient number, since it is larger than the sum of its proper divisors (1).

72322337 is an equidigital number, since it uses as much as digits as its factorization.

72322337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 29.

The square root of 72322337 is about 8504.2540531195. The cubic root of 72322337 is about 416.6366626573.

The spelling of 72322337 in words is "seventy-two million, three hundred twenty-two thousand, three hundred thirty-seven".