73622651265 has 12 divisors (see below), whose sum is σ = 127612595604. Its totient is φ = 39265413984.

The previous prime is 73622651243. The next prime is 73622651269. The reversal of 73622651265 is 56215622637.

73622651265 is a `hidden beast` number, since 7 + 3 + 622 + 6 + 5 + 12 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55953063936 + 17669587329 = 236544^2 + 132927^2 .

It is not a de Polignac number, because 73622651265 - 2¹² = 73622647169 is a prime.

It is a super-2 number, since 2×73622651265² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1636058917 = 73622651265 / (7 + 3 + 6 + 2 + 2 + 6 + 5 + 1 + 2 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 73622651265.

It is not an unprimeable number, because it can be changed into a prime (73622651269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 818029414 + ... + 818029503.

It is an arithmetic number, because the mean of its divisors is an integer number (10634382967).

Almost surely, 2^73622651265 is an apocalyptic number.

It is an amenable number.

73622651265 is a deficient number, since it is larger than the sum of its proper divisors (53989944339).

73622651265 is a wasteful number, since it uses less digits than its factorization.

73622651265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636058928 (or 1636058925 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 73622651265 in words is "seventy-three billion, six hundred twenty-two million, six hundred fifty-one thousand, two hundred sixty-five".