73483181 has 2 divisors, whose sum is σ = 73483182. Its totient is φ = 73483180.

The previous prime is 73483177. The next prime is 73483211. The reversal of 73483181 is 18138437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44689225 + 28793956 = 6685^2 + 5366^2 .

It is an emirp because it is prime and its reverse (18138437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73483181 - 2² = 73483177 is a prime.

It is a super-2 number, since 2×73483181² = 10799555779757522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73483141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36741590 + 36741591.

It is an arithmetic number, because the mean of its divisors is an integer number (36741591).

Almost surely, 2^73483181 is an apocalyptic number.

It is an amenable number.

73483181 is a deficient number, since it is larger than the sum of its proper divisors (1).

73483181 is an equidigital number, since it uses as much as digits as its factorization.

73483181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 73483181 is about 8572.2331396200. The cubic root of 73483181 is about 418.8539827611.

The spelling of 73483181 in words is "seventy-three million, four hundred eighty-three thousand, one hundred eighty-one".