73886129 has 2 divisors, whose sum is σ = 73886130. Its totient is φ = 73886128.

The previous prime is 73886119. The next prime is 73886159. The reversal of 73886129 is 92168837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72931600 + 954529 = 8540^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 73886129 - 2¹² = 73882033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73886129.

It is not a weakly prime, because it can be changed into another prime (73886119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36943064 + 36943065.

It is an arithmetic number, because the mean of its divisors is an integer number (36943065).

Almost surely, 2^73886129 is an apocalyptic number.

It is an amenable number.

73886129 is a deficient number, since it is larger than the sum of its proper divisors (1).

73886129 is an equidigital number, since it uses as much as digits as its factorization.

73886129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 73886129 is about 8595.7041014684. The cubic root of 73886129 is about 419.6181885353.

The spelling of 73886129 in words is "seventy-three million, eight hundred eighty-six thousand, one hundred twenty-nine".