73885905 has 32 divisors (see below), whose sum is σ = 131915520. Its totient is φ = 39237120.

The previous prime is 73885901. The next prime is 73885949. The reversal of 73885905 is 50958837.

It is not a de Polignac number, because 73885905 - 2² = 73885901 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 (73885901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34465 + ... + 36545.

It is an arithmetic number, because the mean of its divisors is an integer number (4122360).

Almost surely, 2^73885905 is an apocalyptic number.

It is an amenable number.

73885905 is a deficient number, since it is larger than the sum of its proper divisors (58029615).

73885905 is a wasteful number, since it uses less digits than its factorization.

73885905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 73885905 is about 8595.6910716940. The cubic root of 73885905 is about 419.6177644838.

The spelling of 73885905 in words is "seventy-three million, eight hundred eighty-five thousand, nine hundred five".