73540089 has 32 divisors (see below), whose sum is σ = 131072000. Its totient is φ = 39809232.

The previous prime is 73540087. The next prime is 73540111. The reversal of 73540089 is 98004537.

It is not a de Polignac number, because 73540089 - 2¹ = 73540087 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73540087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6649 + ... + 13830.

It is an arithmetic number, because the mean of its divisors is an integer number (4096000).

Almost surely, 2^73540089 is an apocalyptic number.

It is an amenable number.

73540089 is a deficient number, since it is larger than the sum of its proper divisors (57531911).

73540089 is a wasteful number, since it uses less digits than its factorization.

73540089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20514 (or 20508 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 73540089 is about 8575.5518189793. The cubic root of 73540089 is about 418.9620800227.

The spelling of 73540089 in words is "seventy-three million, five hundred forty thousand, eighty-nine".