65745073 has 8 divisors (see below), whose sum is σ = 69311520. Its totient is φ = 62189280.

The previous prime is 65745019. The next prime is 65745107. The reversal of 65745073 is 37054756.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65745073 - 2⁹ = 65744561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65745013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12186 + ... + 16732.

It is an arithmetic number, because the mean of its divisors is an integer number (8663940).

Almost surely, 2^65745073 is an apocalyptic number.

It is an amenable number.

65745073 is a deficient number, since it is larger than the sum of its proper divisors (3566447).

65745073 is a wasteful number, since it uses less digits than its factorization.

65745073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 65745073 is about 8108.3335525865. Note that the first 3 decimals coincide. The cubic root of 65745073 is about 403.6030169771.

The spelling of 65745073 in words is "sixty-five million, seven hundred forty-five thousand, seventy-three".