73481011 has 2 divisors, whose sum is σ = 73481012. Its totient is φ = 73481010.

The previous prime is 73480969. The next prime is 73481029. The reversal of 73481011 is 11018437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73481011 - 2⁹ = 73480499 is a prime.

It is equal to p_4310539 and since 73481011 and 4310539 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (73482011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36740505 + 36740506.

It is an arithmetic number, because the mean of its divisors is an integer number (36740506).

Almost surely, 2^73481011 is an apocalyptic number.

73481011 is a deficient number, since it is larger than the sum of its proper divisors (1).

73481011 is an equidigital number, since it uses as much as digits as its factorization.

73481011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 73481011 is about 8572.1065672331. The cubic root of 73481011 is about 418.8498597220.

Adding to 73481011 its reverse (11018437), we get a palindrome (84499448).

The spelling of 73481011 in words is "seventy-three million, four hundred eighty-one thousand, eleven".