73708865 has 16 divisors (see below), whose sum is σ = 91763280. Its totient is φ = 56770560.

The previous prime is 73708861. The next prime is 73708867. The reversal of 73708865 is 56880737.

It can be written as a sum of positive squares in 8 ways, for example, as 982081 + 72726784 = 991^2 + 8528^2 .

It is not a de Polignac number, because 73708865 - 2² = 73708861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73708861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83225 + ... + 84105.

It is an arithmetic number, because the mean of its divisors is an integer number (5735205).

Almost surely, 2^73708865 is an apocalyptic number.

It is an amenable number.

73708865 is a deficient number, since it is larger than the sum of its proper divisors (18054415).

73708865 is a wasteful number, since it uses less digits than its factorization.

73708865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 73708865 is about 8585.3867123153. The cubic root of 73708865 is about 419.2823439751.

The spelling of 73708865 in words is "seventy-three million, seven hundred eight thousand, eight hundred sixty-five".