7340640673 has 8 divisors (see below), whose sum is σ = 7363452096. Its totient is φ = 7317865200.

The previous prime is 7340640649. The next prime is 7340640679. The reversal of 7340640673 is 3760460437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7340640673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7340640679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433068 + ... + 449698.

It is an arithmetic number, because the mean of its divisors is an integer number (920431512).

Almost surely, 2^7340640673 is an apocalyptic number.

It is an amenable number.

7340640673 is a deficient number, since it is larger than the sum of its proper divisors (22811423).

7340640673 is a wasteful number, since it uses less digits than its factorization.

7340640673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17975.

The product of its (nonzero) digits is 254016, while the sum is 40.

The square root of 7340640673 is about 85677.5389060634. The cubic root of 7340640673 is about 1943.4706598736.

The spelling of 7340640673 in words is "seven billion, three hundred forty million, six hundred forty thousand, six hundred seventy-three".