73590889 has 2 divisors, whose sum is σ = 73590890. Its totient is φ = 73590888.

The previous prime is 73590851. The next prime is 73590917. The reversal of 73590889 is 98809537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38875225 + 34715664 = 6235^2 + 5892^2 .

It is an emirp because it is prime and its reverse (98809537) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73590889 - 2¹³ = 73582697 is a prime.

It is not a weakly prime, because it can be changed into another prime (73590389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36795444 + 36795445.

It is an arithmetic number, because the mean of its divisors is an integer number (36795445).

Almost surely, 2^73590889 is an apocalyptic number.

It is an amenable number.

73590889 is a deficient number, since it is larger than the sum of its proper divisors (1).

73590889 is an equidigital number, since it uses as much as digits as its factorization.

73590889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 73590889 is about 8578.5132161698. The cubic root of 73590889 is about 419.0585279835.

The spelling of 73590889 in words is "seventy-three million, five hundred ninety thousand, eight hundred eighty-nine".