73489073 has 12 divisors (see below), whose sum is σ = 85628592. Its totient is φ = 62886600.

The previous prime is 73489069. The next prime is 73489081. The reversal of 73489073 is 37098437.

It is not a de Polignac number, because 73489073 - 2² = 73489069 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73489073.

It is not an unprimeable number, because it can be changed into a prime (73489063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50786 + ... + 52212.

It is an arithmetic number, because the mean of its divisors is an integer number (7135716).

Almost surely, 2^73489073 is an apocalyptic number.

It is an amenable number.

73489073 is a deficient number, since it is larger than the sum of its proper divisors (12139519).

73489073 is a wasteful number, since it uses less digits than its factorization.

73489073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 73489073 is about 8572.5768004725. The cubic root of 73489073 is about 418.8651772579.

The spelling of 73489073 in words is "seventy-three million, four hundred eighty-nine thousand, seventy-three".