7486729 has 2 divisors, whose sum is σ = 7486730. Its totient is φ = 7486728.

The previous prime is 7486711. The next prime is 7486733. The reversal of 7486729 is 9276847.

7486729 is digitally balanced in base 3, 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., 5929225 + 1557504 = 2435^2 + 1248^2 .

It is an emirp because it is prime and its reverse (9276847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7486729 - 2⁹ = 7486217 is a prime.

It is a super-2 number, since 2×7486729² = 112102222238882, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁵ + 4⁷ + 8³ + 6⁸ + 7⁸ + 2¹¹ + 9⁴ .

It is not a weakly prime, because it can be changed into another prime (7486529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743364 + 3743365.

It is an arithmetic number, because the mean of its divisors is an integer number (3743365).

Almost surely, 2^7486729 is an apocalyptic number.

It is an amenable number.

7486729 is a deficient number, since it is larger than the sum of its proper divisors (1).

7486729 is an equidigital number, since it uses as much as digits as its factorization.

7486729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 7486729 is about 2736.1887727275. The cubic root of 7486729 is about 195.6278600976.

The spelling of 7486729 in words is "seven million, four hundred eighty-six thousand, seven hundred twenty-nine".