73566373 has 2 divisors, whose sum is σ = 73566374. Its totient is φ = 73566372.

The previous prime is 73566371. The next prime is 73566391. The reversal of 73566373 is 37366537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73564929 + 1444 = 8577^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 73566373 - 2¹ = 73566371 is a prime.

It is a super-2 number, since 2×73566373² = 10824022472750258, which contains 22 as substring.

Together with 73566371, 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 (73566371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36783186 + 36783187.

It is an arithmetic number, because the mean of its divisors is an integer number (36783187).

Almost surely, 2^73566373 is an apocalyptic number.

It is an amenable number.

73566373 is a deficient number, since it is larger than the sum of its proper divisors (1).

73566373 is an equidigital number, since it uses as much as digits as its factorization.

73566373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 40.

The square root of 73566373 is about 8577.0841782042. The cubic root of 73566373 is about 419.0119878928.

The spelling of 73566373 in words is "seventy-three million, five hundred sixty-six thousand, three hundred seventy-three".