65320773 has 24 divisors (see below), whose sum is σ = 101620512. Its totient is φ = 37213344.

The previous prime is 65320753. The next prime is 65320861. The reversal of 65320773 is 37702356.

It is not a de Polignac number, because 65320773 - 2¹³ = 65312581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65320753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85911 + ... + 86667.

It is an arithmetic number, because the mean of its divisors is an integer number (4234188).

Almost surely, 2^65320773 is an apocalyptic number.

It is an amenable number.

65320773 is a deficient number, since it is larger than the sum of its proper divisors (36299739).

65320773 is a wasteful number, since it uses less digits than its factorization.

65320773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 65320773 is about 8082.1267621833. The cubic root of 65320773 is about 402.7328960906.

The spelling of 65320773 in words is "sixty-five million, three hundred twenty thousand, seven hundred seventy-three".