73533945 has 8 divisors (see below), whose sum is σ = 117654336. Its totient is φ = 39218096.

The previous prime is 73533923. The next prime is 73533947. The reversal of 73533945 is 54933537.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73533945 - 2⁹ = 73533433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73533947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2451117 + ... + 2451146.

It is an arithmetic number, because the mean of its divisors is an integer number (14706792).

Almost surely, 2^73533945 is an apocalyptic number.

It is an amenable number.

73533945 is a deficient number, since it is larger than the sum of its proper divisors (44120391).

73533945 is a wasteful number, since it uses less digits than its factorization.

73533945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902271.

The product of its digits is 170100, while the sum is 39.

The square root of 73533945 is about 8575.1935838207. The cubic root of 73533945 is about 418.9504121250.

The spelling of 73533945 in words is "seventy-three million, five hundred thirty-three thousand, nine hundred forty-five".