73372417 has 2 divisors, whose sum is σ = 73372418. Its totient is φ = 73372416.

The previous prime is 73372367. The next prime is 73372421. The reversal of 73372417 is 71427337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 167281 = 8556^2 + 409^2 .

It is an emirp because it is prime and its reverse (71427337) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73372417 - 2¹¹ = 73370369 is a prime.

It is not a weakly prime, because it can be changed into another prime (73372477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36686208 + 36686209.

It is an arithmetic number, because the mean of its divisors is an integer number (36686209).

Almost surely, 2^73372417 is an apocalyptic number.

It is an amenable number.

73372417 is a deficient number, since it is larger than the sum of its proper divisors (1).

73372417 is an equidigital number, since it uses as much as digits as its factorization.

73372417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 34.

The square root of 73372417 is about 8565.7700762979. The cubic root of 73372417 is about 418.6434254068.

The spelling of 73372417 in words is "seventy-three million, three hundred seventy-two thousand, four hundred seventeen".