73646074065 has 16 divisors (see below), whose sum is σ = 118167533568. Its totient is φ = 39166634496.

The previous prime is 73646074039. The next prime is 73646074067. The reversal of 73646074065 is 56047064637.

It is not a de Polignac number, because 73646074065 - 2²² = 73641879761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73646074067) 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 15 ways as a sum of consecutive naturals, for example, 6949009 + ... + 6959598.

It is an arithmetic number, because the mean of its divisors is an integer number (7385470848).

Almost surely, 2^73646074065 is an apocalyptic number.

It is an amenable number.

73646074065 is a deficient number, since it is larger than the sum of its proper divisors (44521459503).

73646074065 is a wasteful number, since it uses less digits than its factorization.

73646074065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13908968.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 73646074065 in words is "seventy-three billion, six hundred forty-six million, seventy-four thousand, sixty-five".