73441665315 has 24 divisors (see below), whose sum is σ = 130259329200. Its totient is φ = 38257982784.

The previous prime is 73441665313. The next prime is 73441665329. The reversal of 73441665315 is 51356614437.

73441665315 is a `hidden beast` number, since 73 + 4 + 41 + 6 + 6 + 531 + 5 = 666.

It is not a de Polignac number, because 73441665315 - 2¹ = 73441665313 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (73441665313) 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, 18975240 + ... + 18979109.

It is an arithmetic number, because the mean of its divisors is an integer number (5427472050).

Almost surely, 2^73441665315 is an apocalyptic number.

73441665315 is a deficient number, since it is larger than the sum of its proper divisors (56817663885).

73441665315 is a wasteful number, since it uses less digits than its factorization.

73441665315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37954403 (or 37954400 counting only the distinct ones).

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

The spelling of 73441665315 in words is "seventy-three billion, four hundred forty-one million, six hundred sixty-five thousand, three hundred fifteen".