73855985 has 24 divisors (see below), whose sum is σ = 103475520. Its totient is φ = 50458464.

The previous prime is 73855979. The next prime is 73855987. The reversal of 73855985 is 58955837.

It is not a de Polignac number, because 73855985 - 2²⁰ = 72807409 is a prime.

Its product of digits (1512000) is a multiple of the sum of its prime factors (1125).

It is not an unprimeable number, because it can be changed into a prime (73855987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119006 + ... + 119624.

It is an arithmetic number, because the mean of its divisors is an integer number (4311480).

Almost surely, 2^73855985 is an apocalyptic number.

It is an amenable number.

73855985 is a deficient number, since it is larger than the sum of its proper divisors (29619535).

73855985 is a wasteful number, since it uses less digits than its factorization.

73855985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1118 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 50.

The square root of 73855985 is about 8593.9504885704. The cubic root of 73855985 is about 419.5611156160.

The spelling of 73855985 in words is "seventy-three million, eight hundred fifty-five thousand, nine hundred eighty-five".