15080729 has 2 divisors, whose sum is σ = 15080730. Its totient is φ = 15080728.

The previous prime is 15080707. The next prime is 15080731. The reversal of 15080729 is 92708051.

15080729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8179600 + 6901129 = 2860^2 + 2627^2 .

It is a cyclic number.

It is not a de Polignac number, because 15080729 - 2¹⁶ = 15015193 is a prime.

Together with 15080731, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 15080695 and 15080704.

It is not a weakly prime, because it can be changed into another prime (15080759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7540364 + 7540365.

It is an arithmetic number, because the mean of its divisors is an integer number (7540365).

Almost surely, 2^15080729 is an apocalyptic number.

It is an amenable number.

15080729 is a deficient number, since it is larger than the sum of its proper divisors (1).

15080729 is an equidigital number, since it uses as much as digits as its factorization.

15080729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 15080729 is about 3883.3914301806. The cubic root of 15080729 is about 247.0628490485.

It can be divided in two parts, 150807 and 29, that multiplied together give a triangular number (4373403 = T₂₉₅₇).

The spelling of 15080729 in words is "fifteen million, eighty thousand, seven hundred twenty-nine".