180747029 has 2 divisors, whose sum is σ = 180747030. Its totient is φ = 180747028.

The previous prime is 180746971. The next prime is 180747067. The reversal of 180747029 is 920747081.

It is an a-pointer prime, because the next prime (180747067) can be obtained adding 180747029 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157000900 + 23746129 = 12530^2 + 4873^2 .

It is a cyclic number.

It is not a de Polignac number, because 180747029 - 2⁸ = 180746773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 180746983 and 180747001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180747079) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90373514 + 90373515.

It is an arithmetic number, because the mean of its divisors is an integer number (90373515).

Almost surely, 2^180747029 is an apocalyptic number.

It is an amenable number.

180747029 is a deficient number, since it is larger than the sum of its proper divisors (1).

180747029 is an equidigital number, since it uses as much as digits as its factorization.

180747029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 180747029 is about 13444.2191666158. The cubic root of 180747029 is about 565.4016294893.

The spelling of 180747029 in words is "one hundred eighty million, seven hundred forty-seven thousand, twenty-nine".