73340740665 has 24 divisors (see below), whose sum is σ = 132651080640. Its totient is φ = 37414406304.

The previous prime is 73340740661. The next prime is 73340740667. The reversal of 73340740665 is 56604704337.

It is not a de Polignac number, because 73340740665 - 2² = 73340740661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 73340740665.

It is not an unprimeable number, because it can be changed into a prime (73340740661) 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 23 ways as a sum of consecutive naturals, for example, 35429275 + ... + 35431344.

It is an arithmetic number, because the mean of its divisors is an integer number (5527128360).

Almost surely, 2^73340740665 is an apocalyptic number.

It is an amenable number.

73340740665 is a deficient number, since it is larger than the sum of its proper divisors (59310339975).

73340740665 is a wasteful number, since it uses less digits than its factorization.

73340740665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70860653 (or 70860650 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 73340740665 in words is "seventy-three billion, three hundred forty million, seven hundred forty thousand, six hundred sixty-five".