7243370729 has 4 divisors (see below), whose sum is σ = 8278137984. Its totient is φ = 6208603476.

The previous prime is 7243370713. The next prime is 7243370753. The reversal of 7243370729 is 9270733427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7243370729 - 2⁴ = 7243370713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7243370729.

It is not an unprimeable number, because it can be changed into a prime (7243370129) 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 in 3 ways as a sum of consecutive naturals, for example, 517383617 + ... + 517383630.

It is an arithmetic number, because the mean of its divisors is an integer number (2069534496).

Almost surely, 2^7243370729 is an apocalyptic number.

It is an amenable number.

7243370729 is a deficient number, since it is larger than the sum of its proper divisors (1034767255).

7243370729 is a wasteful number, since it uses less digits than its factorization.

7243370729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034767254.

The product of its (nonzero) digits is 444528, while the sum is 44.

The square root of 7243370729 is about 85107.9945069792. The cubic root of 7243370729 is about 1934.8482303005.

The spelling of 7243370729 in words is "seven billion, two hundred forty-three million, three hundred seventy thousand, seven hundred twenty-nine".