73572227 has 2 divisors, whose sum is σ = 73572228. Its totient is φ = 73572226.

The previous prime is 73572223. The next prime is 73572287. The reversal of 73572227 is 72227537.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73572227 - 2² = 73572223 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73572223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36786113 + 36786114.

It is an arithmetic number, because the mean of its divisors is an integer number (36786114).

Almost surely, 2^73572227 is an apocalyptic number.

73572227 is a deficient number, since it is larger than the sum of its proper divisors (1).

73572227 is an equidigital number, since it uses as much as digits as its factorization.

73572227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 35.

The square root of 73572227 is about 8577.4254295797. The cubic root of 73572227 is about 419.0231018072.

The spelling of 73572227 in words is "seventy-three million, five hundred seventy-two thousand, two hundred twenty-seven".