73023917 has 2 divisors, whose sum is σ = 73023918. Its totient is φ = 73023916.

The previous prime is 73023913. The next prime is 73023949. The reversal of 73023917 is 71932037.

It is an a-pointer prime, because the next prime (73023949) can be obtained adding 73023917 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43744996 + 29278921 = 6614^2 + 5411^2 .

It is an emirp because it is prime and its reverse (71932037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73023917 - 2² = 73023913 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73023913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36511958 + 36511959.

It is an arithmetic number, because the mean of its divisors is an integer number (36511959).

Almost surely, 2^73023917 is an apocalyptic number.

It is an amenable number.

73023917 is a deficient number, since it is larger than the sum of its proper divisors (1).

73023917 is an equidigital number, since it uses as much as digits as its factorization.

73023917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 73023917 is about 8545.4032672543. The cubic root of 73023917 is about 417.9795572368.

The spelling of 73023917 in words is "seventy-three million, twenty-three thousand, nine hundred seventeen".