73484681 has 2 divisors, whose sum is σ = 73484682. Its totient is φ = 73484680.

The previous prime is 73484657. The next prime is 73484683. The reversal of 73484681 is 18648437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72403081 + 1081600 = 8509^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 73484681 - 2⁶ = 73484617 is a prime.

It is a super-2 number, since 2×73484681² = 10799996683343522, which contains 22 as substring.

Together with 73484683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73484683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36742340 + 36742341.

It is an arithmetic number, because the mean of its divisors is an integer number (36742341).

Almost surely, 2^73484681 is an apocalyptic number.

It is an amenable number.

73484681 is a deficient number, since it is larger than the sum of its proper divisors (1).

73484681 is an equidigital number, since it uses as much as digits as its factorization.

73484681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 73484681 is about 8572.3206309610. The cubic root of 73484681 is about 418.8568327407.

The spelling of 73484681 in words is "seventy-three million, four hundred eighty-four thousand, six hundred eighty-one".