73009711 has 4 divisors (see below), whose sum is σ = 73118232. Its totient is φ = 72901192.

The previous prime is 73009697. The next prime is 73009757. The reversal of 73009711 is 11790037.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73009711 - 2⁷ = 73009583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73009711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73009771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53245 + ... + 54598.

It is an arithmetic number, because the mean of its divisors is an integer number (18279558).

Almost surely, 2^73009711 is an apocalyptic number.

73009711 is a deficient number, since it is larger than the sum of its proper divisors (108521).

73009711 is a wasteful number, since it uses less digits than its factorization.

73009711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108520.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 73009711 is about 8544.5720197094. The cubic root of 73009711 is about 417.9524510369.

Adding to 73009711 its reverse (11790037), we get a palindrome (84799748).

The spelling of 73009711 in words is "seventy-three million, nine thousand, seven hundred eleven".