73957636065 has 16 divisors (see below), whose sum is σ = 118341191808. Its totient is φ = 39441081216.

The previous prime is 73957636063. The next prime is 73957636099. The reversal of 73957636065 is 56063675937.

It is not a de Polignac number, because 73957636065 - 2¹ = 73957636063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73957635996 and 73957636014.

It is not an unprimeable number, because it can be changed into a prime (73957636063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25189 + ... + 385421.

It is an arithmetic number, because the mean of its divisors is an integer number (7396324488).

Almost surely, 2^73957636065 is an apocalyptic number.

It is an amenable number.

73957636065 is a deficient number, since it is larger than the sum of its proper divisors (44383555743).

73957636065 is a wasteful number, since it uses less digits than its factorization.

73957636065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373928.

The product of its (nonzero) digits is 21432600, while the sum is 57.

The spelling of 73957636065 in words is "seventy-three billion, nine hundred fifty-seven million, six hundred thirty-six thousand, sixty-five".