73071875 has 24 divisors (see below), whose sum is σ = 92962800. Its totient is φ = 57420000.

The previous prime is 73071871. The next prime is 73071953. The reversal of 73071875 is 57817037.

It is not a de Polignac number, because 73071875 - 2² = 73071871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73071871) 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, 209201 + ... + 209549.

It is an arithmetic number, because the mean of its divisors is an integer number (3873450).

Almost surely, 2^73071875 is an apocalyptic number.

73071875 is a deficient number, since it is larger than the sum of its proper divisors (19890925).

73071875 is an frugal number, since it uses more digits than its factorization.

73071875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 73071875 is about 8548.2088767180. The cubic root of 73071875 is about 418.0710390316.

The spelling of 73071875 in words is "seventy-three million, seventy-one thousand, eight hundred seventy-five".