73214573 has 2 divisors, whose sum is σ = 73214574. Its totient is φ = 73214572.

The previous prime is 73214569. The next prime is 73214623. The reversal of 73214573 is 37541237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53027524 + 20187049 = 7282^2 + 4493^2 .

It is an emirp because it is prime and its reverse (37541237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73214573 - 2² = 73214569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73214503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36607286 + 36607287.

It is an arithmetic number, because the mean of its divisors is an integer number (36607287).

Almost surely, 2^73214573 is an apocalyptic number.

It is an amenable number.

73214573 is a deficient number, since it is larger than the sum of its proper divisors (1).

73214573 is an equidigital number, since it uses as much as digits as its factorization.

73214573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 32.

The square root of 73214573 is about 8556.5514665664. The cubic root of 73214573 is about 418.3430046317.

The spelling of 73214573 in words is "seventy-three million, two hundred fourteen thousand, five hundred seventy-three".