73538579 has 2 divisors, whose sum is σ = 73538580. Its totient is φ = 73538578.

The previous prime is 73538561. The next prime is 73538593. The reversal of 73538579 is 97583537.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73538579 - 2⁸ = 73538323 is a prime.

It is a super-3 number, since 3×73538579³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73538539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36769289 + 36769290.

It is an arithmetic number, because the mean of its divisors is an integer number (36769290).

Almost surely, 2^73538579 is an apocalyptic number.

73538579 is a deficient number, since it is larger than the sum of its proper divisors (1).

73538579 is an equidigital number, since it uses as much as digits as its factorization.

73538579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 47.

The square root of 73538579 is about 8575.4637775458. The cubic root of 73538579 is about 418.9592124844.

The spelling of 73538579 in words is "seventy-three million, five hundred thirty-eight thousand, five hundred seventy-nine".