7013729 has 2 divisors, whose sum is σ = 7013730. Its totient is φ = 7013728.

The previous prime is 7013723. The next prime is 7013731. The reversal of 7013729 is 9273107.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5513104 + 1500625 = 2348^2 + 1225^2 .

It is a cyclic number.

It is not a de Polignac number, because 7013729 - 2⁸ = 7013473 is a prime.

Together with 7013731, 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 (7013723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3506864 + 3506865.

It is an arithmetic number, because the mean of its divisors is an integer number (3506865).

Almost surely, 2^7013729 is an apocalyptic number.

It is an amenable number.

7013729 is a deficient number, since it is larger than the sum of its proper divisors (1).

7013729 is an equidigital number, since it uses as much as digits as its factorization.

7013729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 7013729 is about 2648.3445772784. The cubic root of 7013729 is about 191.4180967600.

The spelling of 7013729 in words is "seven million, thirteen thousand, seven hundred twenty-nine".