7342722643 has 4 divisors (see below), whose sum is σ = 7342916968. Its totient is φ = 7342528320.

The previous prime is 7342722619. The next prime is 7342722679. The reversal of 7342722643 is 3462272437.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7342722643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7342722596 and 7342722605.

It is not an unprimeable number, because it can be changed into a prime (7342722143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20121 + ... + 122842.

It is an arithmetic number, because the mean of its divisors is an integer number (1835729242).

Almost surely, 2^7342722643 is an apocalyptic number.

7342722643 is a deficient number, since it is larger than the sum of its proper divisors (194325).

7342722643 is a wasteful number, since it uses less digits than its factorization.

7342722643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194324.

The product of its digits is 338688, while the sum is 40.

The square root of 7342722643 is about 85689.6880785547. The cubic root of 7342722643 is about 1943.6543797656.

The spelling of 7342722643 in words is "seven billion, three hundred forty-two million, seven hundred twenty-two thousand, six hundred forty-three".