7342729 has 2 divisors, whose sum is σ = 7342730. Its totient is φ = 7342728.

The previous prime is 7342703. The next prime is 7342757. The reversal of 7342729 is 9272437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7166329 + 176400 = 2677^2 + 420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7342729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7342694 and 7342703.

It is not a weakly prime, because it can be changed into another prime (7342799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3671364 + 3671365.

It is an arithmetic number, because the mean of its divisors is an integer number (3671365).

Almost surely, 2^7342729 is an apocalyptic number.

It is an amenable number.

7342729 is a deficient number, since it is larger than the sum of its proper divisors (1).

7342729 is an equidigital number, since it uses as much as digits as its factorization.

7342729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 7342729 is about 2709.7470361641. The cubic root of 7342729 is about 194.3654940675.

The spelling of 7342729 in words is "seven million, three hundred forty-two thousand, seven hundred twenty-nine".