65373073 has 4 divisors (see below), whose sum is σ = 65789620. Its totient is φ = 64956528.

The previous prime is 65373031. The next prime is 65373083. The reversal of 65373073 is 37037356.

65373073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44515584 + 20857489 = 6672^2 + 4567^2 .

It is a cyclic number.

It is not a de Polignac number, because 65373073 - 2⁹ = 65372561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65373013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208038 + ... + 208351.

It is an arithmetic number, because the mean of its divisors is an integer number (16447405).

Almost surely, 2^65373073 is an apocalyptic number.

It is an amenable number.

65373073 is a deficient number, since it is larger than the sum of its proper divisors (416547).

65373073 is a wasteful number, since it uses less digits than its factorization.

65373073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416546.

The product of its (nonzero) digits is 39690, while the sum is 34.

The square root of 65373073 is about 8085.3616493018. The cubic root of 65373073 is about 402.8403520119.

The spelling of 65373073 in words is "sixty-five million, three hundred seventy-three thousand, seventy-three".