765740073 has 16 divisors (see below), whose sum is σ = 1168597376. Its totient is φ = 436907520.

The previous prime is 765740057. The next prime is 765740111. The reversal of 765740073 is 370047567.

It is not a de Polignac number, because 765740073 - 2⁴ = 765740057 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 (765741073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12958 + ... + 41223.

It is an arithmetic number, because the mean of its divisors is an integer number (73037336).

Almost surely, 2^765740073 is an apocalyptic number.

It is an amenable number.

765740073 is a deficient number, since it is larger than the sum of its proper divisors (402857303).

765740073 is a wasteful number, since it uses less digits than its factorization.

765740073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54864.

The product of its (nonzero) digits is 123480, while the sum is 39.

The square root of 765740073 is about 27672.0088356447. The cubic root of 765740073 is about 914.8722578395.

The spelling of 765740073 in words is "seven hundred sixty-five million, seven hundred forty thousand, seventy-three".