73530545 has 8 divisors (see below), whose sum is σ = 96258240. Its totient is φ = 53476720.

The previous prime is 73530539. The next prime is 73530553. The reversal of 73530545 is 54503537.

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

It is not a de Polignac number, because 73530545 - 2¹⁸ = 73268401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668405 + ... + 668514.

It is an arithmetic number, because the mean of its divisors is an integer number (12032280).

Almost surely, 2^73530545 is an apocalyptic number.

It is an amenable number.

73530545 is a deficient number, since it is larger than the sum of its proper divisors (22727695).

73530545 is a wasteful number, since it uses less digits than its factorization.

73530545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336935.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 73530545 is about 8574.9953352757. The cubic root of 73530545 is about 418.9439550012.

The spelling of 73530545 in words is "seventy-three million, five hundred thirty thousand, five hundred forty-five".