1726140029 has 2 divisors, whose sum is σ = 1726140030. Its totient is φ = 1726140028.

The previous prime is 1726140011. The next prime is 1726140061. The reversal of 1726140029 is 9200416271.

It is a happy number.

It is an a-pointer prime, because the next prime (1726140061) can be obtained adding 1726140029 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1574899225 + 151240804 = 39685^2 + 12298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1726140029 is a prime.

It is a super-2 number, since 2×1726140029² = 5959118799432241682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1726139977 and 1726140004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1726140079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863070014 + 863070015.

It is an arithmetic number, because the mean of its divisors is an integer number (863070015).

Almost surely, 2^1726140029 is an apocalyptic number.

It is an amenable number.

1726140029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1726140029 is an equidigital number, since it uses as much as digits as its factorization.

1726140029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1726140029 is about 41546.8413841534. The cubic root of 1726140029 is about 1199.5692965880.

The spelling of 1726140029 in words is "one billion, seven hundred twenty-six million, one hundred forty thousand, twenty-nine".